45270813 has 32 divisors (see below), whose sum is σ = 73564416. Its totient is φ = 24173568.

The previous prime is 45270811. The next prime is 45270833. The reversal of 45270813 is 31807254.

It is not a de Polignac number, because 45270813 - 2¹ = 45270811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45270811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61395 + ... + 62127.

It is an arithmetic number, because the mean of its divisors is an integer number (2298888).

Almost surely, 2^45270813 is an apocalyptic number.

It is an amenable number.

45270813 is a deficient number, since it is larger than the sum of its proper divisors (28293603).

45270813 is a wasteful number, since it uses less digits than its factorization.

45270813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 45270813 is about 6728.3588637944. The cubic root of 45270813 is about 356.4014245781.

The spelling of 45270813 in words is "forty-five million, two hundred seventy thousand, eight hundred thirteen".