16145274 has 24 divisors (see below), whose sum is σ = 34305408. Its totient is φ = 5064640.

The previous prime is 16145251. The next prime is 16145303. The reversal of 16145274 is 47254161.

It is an alternating number because its digits alternate between odd and even.

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, 2922 + ... + 6389.

It is an arithmetic number, because the mean of its divisors is an integer number (1429392).

Almost surely, 2^16145274 is an apocalyptic number.

16145274 is an abundant number, since it is smaller than the sum of its proper divisors (18160134).

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

16145274 is a wasteful number, since it uses less digits than its factorization.

16145274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9350 (or 9333 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 16145274 is about 4018.1182162799. The cubic root of 16145274 is about 252.7445540988.

The spelling of 16145274 in words is "sixteen million, one hundred forty-five thousand, two hundred seventy-four".