45213555 has 8 divisors (see below), whose sum is σ = 72341712. Its totient is φ = 24113888.

The previous prime is 45213551. The next prime is 45213569. The reversal of 45213555 is 55531254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45213555 - 2² = 45213551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45213551) 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, 1507104 + ... + 1507133.

It is an arithmetic number, because the mean of its divisors is an integer number (9042714).

Almost surely, 2^45213555 is an apocalyptic number.

45213555 is a deficient number, since it is larger than the sum of its proper divisors (27128157).

45213555 is a wasteful number, since it uses less digits than its factorization.

45213555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014245.

The product of its digits is 15000, while the sum is 30.

The square root of 45213555 is about 6724.1025423472. The cubic root of 45213555 is about 356.2511037208.

The spelling of 45213555 in words is "forty-five million, two hundred thirteen thousand, five hundred fifty-five".