2051153154 has 24 divisors (see below), whose sum is σ = 4445026092. Its totient is φ = 683585280.

The previous prime is 2051153149. The next prime is 2051153183. The reversal of 2051153154 is 4513511502.

It can be written as a sum of positive squares in 2 ways, for example, as 1917126225 + 134026929 = 43785^2 + 11577^2 .

It is a super-2 number, since 2×2051153154² = 8414458522328295432, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141274 + ... + 155114.

Almost surely, 2^2051153154 is an apocalyptic number.

2051153154 is an abundant number, since it is smaller than the sum of its proper divisors (2393872938).

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

2051153154 is a wasteful number, since it uses less digits than its factorization.

2051153154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22082 (or 22079 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2051153154 is about 45289.6583559647. The cubic root of 2051153154 is about 1270.5722417566.

Adding to 2051153154 its reverse (4513511502), we get a palindrome (6564664656).

The spelling of 2051153154 in words is "two billion, fifty-one million, one hundred fifty-three thousand, one hundred fifty-four".