151443157 has 4 divisors (see below), whose sum is σ = 160351596. Its totient is φ = 142534720.

The previous prime is 151443151. The next prime is 151443163. The reversal of 151443157 is 751344151.

151443157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (151443151) and next prime (151443163).

It can be written as a sum of positive squares in 2 ways, for example, as 40119556 + 111323601 = 6334^2 + 10551^2 .

It is a cyclic number.

It is not a de Polignac number, because 151443157 - 2¹⁹ = 150918869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151443151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4454194 + ... + 4454227.

It is an arithmetic number, because the mean of its divisors is an integer number (40087899).

Almost surely, 2^151443157 is an apocalyptic number.

151443157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

151443157 is a deficient number, since it is larger than the sum of its proper divisors (8908439).

151443157 is an equidigital number, since it uses as much as digits as its factorization.

151443157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8908438.

The product of its digits is 8400, while the sum is 31.

The square root of 151443157 is about 12306.2243194247. The cubic root of 151443157 is about 533.0278302005.

The spelling of 151443157 in words is "one hundred fifty-one million, four hundred forty-three thousand, one hundred fifty-seven".