45270518 has 4 divisors (see below), whose sum is σ = 67905780. Its totient is φ = 22635258.

The previous prime is 45270517. The next prime is 45270553. The reversal of 45270518 is 81507254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81507254 = 2 ⋅40753627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45270517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11317628 + ... + 11317631.

It is an arithmetic number, because the mean of its divisors is an integer number (16976445).

Almost surely, 2^45270518 is an apocalyptic number.

45270518 is a deficient number, since it is larger than the sum of its proper divisors (22635262).

45270518 is a wasteful number, since it uses less digits than its factorization.

45270518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22635261.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 45270518 is about 6728.3369416224. The cubic root of 45270518 is about 356.4006504321.

The spelling of 45270518 in words is "forty-five million, two hundred seventy thousand, five hundred eighteen".