45987274 has 4 divisors (see below), whose sum is σ = 68980914. Its totient is φ = 22993636.

The previous prime is 45987257. The next prime is 45987287. The reversal of 45987274 is 47278954.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43758225 + 2229049 = 6615^2 + 1493^2 .

It is a super-2 number, since 2×45987274² = 4229658739902152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11496817 + ... + 11496820.

Almost surely, 2^45987274 is an apocalyptic number.

45987274 is a deficient number, since it is larger than the sum of its proper divisors (22993640).

45987274 is a wasteful number, since it uses less digits than its factorization.

45987274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22993639.

The product of its digits is 564480, while the sum is 46.

The square root of 45987274 is about 6781.3917450624. The cubic root of 45987274 is about 358.2717421213.

The spelling of 45987274 in words is "forty-five million, nine hundred eighty-seven thousand, two hundred seventy-four".