152311240 has 32 divisors (see below), whose sum is σ = 351965880. Its totient is φ = 59277312.

The previous prime is 152311213. The next prime is 152311253. The reversal of 152311240 is 42113251.

It can be written as a sum of positive squares in 4 ways, for example, as 119202724 + 33108516 = 10918^2 + 5754^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49977 + ... + 52936.

Almost surely, 2^152311240 is an apocalyptic number.

152311240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152311240 is an abundant number, since it is smaller than the sum of its proper divisors (199654640).

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

152311240 is a wasteful number, since it uses less digits than its factorization.

152311240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102961 (or 102957 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 152311240 is about 12341.4439997919. The cubic root of 152311240 is about 534.0443416353.

Adding to 152311240 its reverse (42113251), we get a palindrome (194424491).

It can be divided in two parts, 15231 and 1240, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 152311240 in words is "one hundred fifty-two million, three hundred eleven thousand, two hundred forty".