3157533144 has 64 divisors (see below), whose sum is σ = 8876649600. Its totient is φ = 1039824288.

The previous prime is 3157533143. The next prime is 3157533151. The reversal of 3157533144 is 4413357513.

3157533144 is a `hidden beast` number, since 31 + 57 + 533 + 1 + 44 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct 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 = 3157533099 and 3157533108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157533143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70134 + ... + 105989.

It is an arithmetic number, because the mean of its divisors is an integer number (138697650).

Almost surely, 2^3157533144 is an apocalyptic number.

It is an amenable number.

3157533144 is an abundant number, since it is smaller than the sum of its proper divisors (5719116456).

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

3157533144 is a wasteful number, since it uses less digits than its factorization.

3157533144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176221 (or 176211 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 3157533144 is about 56191.9313069056. The cubic root of 3157533144 is about 1467.0648304202.

The spelling of 3157533144 in words is "three billion, one hundred fifty-seven million, five hundred thirty-three thousand, one hundred forty-four".