402153156 has 36 divisors (see below), whose sum is σ = 1076352732. Its totient is φ = 126165504.

The previous prime is 402153151. The next prime is 402153161. The reversal of 402153156 is 651351204.

It is an interprime number because it is at equal distance from previous prime (402153151) and next prime (402153161).

It can be written as a sum of positive squares in 2 ways, for example, as 332697600 + 69455556 = 18240^2 + 8334^2 .

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

It is not an unprimeable number, because it can be changed into a prime (402153151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327945 + ... + 329168.

It is an arithmetic number, because the mean of its divisors is an integer number (29898687).

Almost surely, 2^402153156 is an apocalyptic number.

It is an amenable number.

402153156 is an abundant number, since it is smaller than the sum of its proper divisors (674199576).

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

402153156 is a wasteful number, since it uses less digits than its factorization.

402153156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657140 (or 657135 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 402153156 is about 20053.7566555496. The cubic root of 402153156 is about 738.1259837359.

The spelling of 402153156 in words is "four hundred two million, one hundred fifty-three thousand, one hundred fifty-six".