2057147154 has 24 divisors (see below), whose sum is σ = 4518211932. Its totient is φ = 676321920.

The previous prime is 2057147153. The next prime is 2057147167. The reversal of 2057147154 is 4517417502.

It can be written as a sum of positive squares in 2 ways, for example, as 2053449225 + 3697929 = 45315^2 + 1923^2 .

It is not an unprimeable number, because it can be changed into a prime (2057147153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781467 + ... + 784094.

Almost surely, 2^2057147154 is an apocalyptic number.

2057147154 is an abundant number, since it is smaller than the sum of its proper divisors (2461064778).

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

2057147154 is a wasteful number, since it uses less digits than its factorization.

2057147154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565642 (or 1565639 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 2057147154 is about 45355.7841294801. The cubic root of 2057147154 is about 1271.8086850336.

The spelling of 2057147154 in words is "two billion, fifty-seven million, one hundred forty-seven thousand, one hundred fifty-four".