152185890 has 16 divisors (see below), whose sum is σ = 365246208. Its totient is φ = 40582896.

The previous prime is 152185889. The next prime is 152185897. The reversal of 152185890 is 98581251.

It is not an unprimeable number, because it can be changed into a prime (152185897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2536402 + ... + 2536461.

It is an arithmetic number, because the mean of its divisors is an integer number (22827888).

Almost surely, 2^152185890 is an apocalyptic number.

152185890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152185890 is an abundant number, since it is smaller than the sum of its proper divisors (213060318).

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

152185890 is a wasteful number, since it uses less digits than its factorization.

152185890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072873.

The product of its (nonzero) digits is 28800, while the sum is 39.

The square root of 152185890 is about 12336.3645374154. The cubic root of 152185890 is about 533.8977977758.

The spelling of 152185890 in words is "one hundred fifty-two million, one hundred eighty-five thousand, eight hundred ninety".