45231552 has 84 divisors (see below), whose sum is σ = 136504680. Its totient is φ = 14280192.

The previous prime is 45231539. The next prime is 45231553. The reversal of 45231552 is 25513254.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45231553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8878 + ... + 13010.

Almost surely, 2^45231552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45231552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68252340).

45231552 is an abundant number, since it is smaller than the sum of its proper divisors (91273128).

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

45231552 is a wasteful number, since it uses less digits than its factorization.

45231552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170 (or 4157 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 45231552 is about 6725.4406547081. The cubic root of 45231552 is about 356.2983653633.

The spelling of 45231552 in words is "forty-five million, two hundred thirty-one thousand, five hundred fifty-two".