45420458 has 16 divisors (see below), whose sum is σ = 68929056. Its totient is φ = 22446000.

The previous prime is 45420457. The next prime is 45420491. The reversal of 45420458 is 85402454.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45420457) 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, 86585 + ... + 87107.

It is an arithmetic number, because the mean of its divisors is an integer number (4308066).

Almost surely, 2^45420458 is an apocalyptic number.

45420458 is a deficient number, since it is larger than the sum of its proper divisors (23508598).

45420458 is a wasteful number, since it uses less digits than its factorization.

45420458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 45420458 is about 6739.4701572156. The cubic root of 45420458 is about 356.7936937509.

The spelling of 45420458 in words is "forty-five million, four hundred twenty thousand, four hundred fifty-eight".