45671658 has 16 divisors (see below), whose sum is σ = 91411200. Its totient is φ = 15212576.

The previous prime is 45671657. The next prime is 45671683. The reversal of 45671658 is 85617654.

It is not an unprimeable number, because it can be changed into a prime (45671651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11518 + ... + 14966.

It is an arithmetic number, because the mean of its divisors is an integer number (5713200).

Almost surely, 2^45671658 is an apocalyptic number.

45671658 is an abundant number, since it is smaller than the sum of its proper divisors (45739542).

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

45671658 is a wasteful number, since it uses less digits than its factorization.

45671658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661.

The product of its digits is 201600, while the sum is 42.

The square root of 45671658 is about 6758.0809406221. The cubic root of 45671658 is about 357.4502397040.

The spelling of 45671658 in words is "forty-five million, six hundred seventy-one thousand, six hundred fifty-eight".