152212140 has 36 divisors (see below), whose sum is σ = 461710704. Its totient is φ = 40589856.

The previous prime is 152212133. The next prime is 152212157. The reversal of 152212140 is 41212251.

152212140 is a `hidden beast` number, since 1 + 522 + 1 + 2 + 140 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422632 + ... + 422991.

Almost surely, 2^152212140 is an apocalyptic number.

152212140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152212140 is an abundant number, since it is smaller than the sum of its proper divisors (309498564).

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

152212140 is a wasteful number, since it uses less digits than its factorization.

152212140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845638 (or 845633 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 152212140 is about 12337.4284192452. The cubic root of 152212140 is about 533.9284927185.

Adding to 152212140 its reverse (41212251), we get a palindrome (193424391).

The spelling of 152212140 in words is "one hundred fifty-two million, two hundred twelve thousand, one hundred forty".