45431154 has 12 divisors (see below), whose sum is σ = 98434206. Its totient is φ = 15143712.

The previous prime is 45431131. The next prime is 45431171. The reversal of 45431154 is 45113454.

It is a happy number.

45431154 is a `hidden beast` number, since 4 + 543 + 115 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24059025 + 21372129 = 4905^2 + 4623^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1261959 + ... + 1261994.

Almost surely, 2^45431154 is an apocalyptic number.

45431154 is an abundant number, since it is smaller than the sum of its proper divisors (53003052).

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

45431154 is a wasteful number, since it uses less digits than its factorization.

45431154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523961 (or 2523958 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 45431154 is about 6740.2636446952. The cubic root of 45431154 is about 356.8216985018.

The spelling of 45431154 in words is "forty-five million, four hundred thirty-one thousand, one hundred fifty-four".