152445331 has 8 divisors (see below), whose sum is σ = 156446640. Its totient is φ = 148485792.

The previous prime is 152445323. The next prime is 152445367. The reversal of 152445331 is 133544251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152445331 - 2³ = 152445323 is a prime.

It is a super-2 number, since 2×152445331² = 46479157887399122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152445331.

It is not an unprimeable number, because it can be changed into a prime (152445031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2980 + ... + 17713.

It is an arithmetic number, because the mean of its divisors is an integer number (19555830).

Almost surely, 2^152445331 is an apocalyptic number.

152445331 is a deficient number, since it is larger than the sum of its proper divisors (4001309).

152445331 is a wasteful number, since it uses less digits than its factorization.

152445331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20885.

The product of its digits is 7200, while the sum is 28.

The square root of 152445331 is about 12346.8753537079. The cubic root of 152445331 is about 534.2010154203.

Adding to 152445331 its reverse (133544251), we get a palindrome (285989582).

The spelling of 152445331 in words is "one hundred fifty-two million, four hundred forty-five thousand, three hundred thirty-one".