152509390 has 64 divisors (see below), whose sum is σ = 322755840. Its totient is φ = 51287040.

The previous prime is 152509387. The next prime is 152509391. The reversal of 152509390 is 93905251.

It is a happy number.

It is a super-2 number, since 2×152509390² = 46518228076344200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152509391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89022 + ... + 90718.

It is an arithmetic number, because the mean of its divisors is an integer number (5043060).

Almost surely, 2^152509390 is an apocalyptic number.

152509390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152509390 is an abundant number, since it is smaller than the sum of its proper divisors (170246450).

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

152509390 is a wasteful number, since it uses less digits than its factorization.

152509390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 152509390 is about 12349.4692193632. The cubic root of 152509390 is about 534.2758304168.

The spelling of 152509390 in words is "one hundred fifty-two million, five hundred nine thousand, three hundred ninety".