152523240 has 32 divisors (see below), whose sum is σ = 457570080. Its totient is φ = 40672832.

The previous prime is 152523227. The next prime is 152523247. The reversal of 152523240 is 42325251.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 152523240.

It is not an unprimeable number, because it can be changed into a prime (152523247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635394 + ... + 635633.

It is an arithmetic number, because the mean of its divisors is an integer number (14299065).

Almost surely, 2^152523240 is an apocalyptic number.

152523240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152523240 is an abundant number, since it is smaller than the sum of its proper divisors (305046840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152523240 is a wasteful number, since it uses less digits than its factorization.

152523240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271041 (or 1271037 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 152523240 is about 12350.0299594778. The cubic root of 152523240 is about 534.2920031833.

Adding to 152523240 its reverse (42325251), we get a palindrome (194848491).

The spelling of 152523240 in words is "one hundred fifty-two million, five hundred twenty-three thousand, two hundred forty".