151445131 has 4 divisors (see below), whose sum is σ = 152021232. Its totient is φ = 150869032.

The previous prime is 151445113. The next prime is 151445149. The reversal of 151445131 is 131544151.

151445131 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 (151445113) and next prime (151445149).

It is a cyclic number.

It is not a de Polignac number, because 151445131 - 2¹³ = 151436939 is a prime.

It is a super-2 number, since 2×151445131² = 45871255407214322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151445096 and 151445105.

It is not an unprimeable number, because it can be changed into a prime (151445101) 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, 287656 + ... + 288181.

It is an arithmetic number, because the mean of its divisors is an integer number (38005308).

Almost surely, 2^151445131 is an apocalyptic number.

151445131 is a deficient number, since it is larger than the sum of its proper divisors (576101).

151445131 is an equidigital number, since it uses as much as digits as its factorization.

151445131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576100.

The product of its digits is 1200, while the sum is 25.

The square root of 151445131 is about 12306.3045224795. The cubic root of 151445131 is about 533.0301461242.

Adding to 151445131 its reverse (131544151), we get a palindrome (282989282).

The spelling of 151445131 in words is "one hundred fifty-one million, four hundred forty-five thousand, one hundred thirty-one".