151452661 has 4 divisors (see below), whose sum is σ = 151889472. Its totient is φ = 151015852.

The previous prime is 151452619. The next prime is 151452683. The reversal of 151452661 is 166254151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166254151 = 7 ⋅23750593.

It is a cyclic number.

It is not a de Polignac number, because 151452661 - 2⁷ = 151452533 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 (151452061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217885 + ... + 218578.

It is an arithmetic number, because the mean of its divisors is an integer number (37972368).

Almost surely, 2^151452661 is an apocalyptic number.

It is an amenable number.

151452661 is a deficient number, since it is larger than the sum of its proper divisors (436811).

151452661 is an equidigital number, since it uses as much as digits as its factorization.

151452661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436810.

The product of its digits is 7200, while the sum is 31.

The square root of 151452661 is about 12306.6104594238. The cubic root of 151452661 is about 533.0389802378.

The spelling of 151452661 in words is "one hundred fifty-one million, four hundred fifty-two thousand, six hundred sixty-one".