45229072 has 20 divisors (see below), whose sum is σ = 100150336. Its totient is φ = 19383840.

The previous prime is 45229057. The next prime is 45229073. The reversal of 45229072 is 27092254.

It is a super-3 number, since 3×45229072³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45229073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201804 + ... + 202027.

Almost surely, 2^45229072 is an apocalyptic number.

It is an amenable number.

45229072 is an abundant number, since it is smaller than the sum of its proper divisors (54921264).

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

45229072 is a wasteful number, since it uses less digits than its factorization.

45229072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403846 (or 403840 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 45229072 is about 6725.2562776447. The cubic root of 45229072 is about 356.2918534186.

The spelling of 45229072 in words is "forty-five million, two hundred twenty-nine thousand, seventy-two".