254020156 has 24 divisors (see below), whose sum is σ = 479208240. Its totient is φ = 117123072.

The previous prime is 254020121. The next prime is 254020163. The reversal of 254020156 is 651020452.

It is a self number, because there is not a number n which added to its sum of digits gives 254020156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71535 + ... + 75001.

It is an arithmetic number, because the mean of its divisors is an integer number (19967010).

Almost surely, 2^254020156 is an apocalyptic number.

254020156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

254020156 is a deficient number, since it is larger than the sum of its proper divisors (225188084).

254020156 is a wasteful number, since it uses less digits than its factorization.

254020156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893 (or 4891 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 254020156 is about 15938.0097879252. The cubic root of 254020156 is about 633.3193044599.

The spelling of 254020156 in words is "two hundred fifty-four million, twenty thousand, one hundred fifty-six".