45454572 has 36 divisors (see below), whose sum is σ = 115413480. Its totient is φ = 15083712.

The previous prime is 45454567. The next prime is 45454573. The reversal of 45454572 is 27545454.

It is a happy number.

45454572 is a `hidden beast` number, since 4 + 545 + 45 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×45454572² = 4132236231406368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45454573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5679 + ... + 11097.

It is an arithmetic number, because the mean of its divisors is an integer number (3205930).

Almost surely, 2^45454572 is an apocalyptic number.

It is an amenable number.

45454572 is an abundant number, since it is smaller than the sum of its proper divisors (69958908).

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

45454572 is a wasteful number, since it uses less digits than its factorization.

45454572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662 (or 5657 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 45454572 is about 6742.0005932957. Note that the first 3 decimals coincide. The cubic root of 45454572 is about 356.8829972250.

The spelling of 45454572 in words is "forty-five million, four hundred fifty-four thousand, five hundred seventy-two".