45493152 has 24 divisors (see below), whose sum is σ = 119419776. Its totient is φ = 15164352.

The previous prime is 45493121. The next prime is 45493153. The reversal of 45493152 is 25139454.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (45493153) 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, 236848 + ... + 237039.

It is an arithmetic number, because the mean of its divisors is an integer number (4975824).

Almost surely, 2^45493152 is an apocalyptic number.

It is an amenable number.

45493152 is an abundant number, since it is smaller than the sum of its proper divisors (73926624).

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

45493152 is a wasteful number, since it uses less digits than its factorization.

45493152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473900 (or 473892 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 45493152 is about 6744.8611549831. The cubic root of 45493152 is about 356.9839379509.

The spelling of 45493152 in words is "forty-five million, four hundred ninety-three thousand, one hundred fifty-two".