152097840 has 60 divisors (see below), whose sum is σ = 510797664. Its totient is φ = 40559232.

The previous prime is 152097821. The next prime is 152097857. The reversal of 152097840 is 48790251.

152097840 is a `hidden beast` number, since 1 + 520 + 97 + 8 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 152097795 and 152097804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104904 + ... + 106343.

Almost surely, 2^152097840 is an apocalyptic number.

152097840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152097840 is an abundant number, since it is smaller than the sum of its proper divisors (358699824).

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

152097840 is a wasteful number, since it uses less digits than its factorization.

152097840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211266 (or 211257 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 152097840 is about 12332.7953035798. The cubic root of 152097840 is about 533.7948123849.

The spelling of 152097840 in words is "one hundred fifty-two million, ninety-seven thousand, eight hundred forty".