91542452 has 12 divisors (see below), whose sum is σ = 160274016. Its totient is φ = 45749880.

The previous prime is 91542449. The next prime is 91542457. The reversal of 91542452 is 25424519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91542457) 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, 8033 + ... + 15735.

It is an arithmetic number, because the mean of its divisors is an integer number (13356168).

Almost surely, 2^91542452 is an apocalyptic number.

It is an amenable number.

91542452 is a deficient number, since it is larger than the sum of its proper divisors (68731564).

91542452 is a wasteful number, since it uses less digits than its factorization.

91542452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10678 (or 10676 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 91542452 is about 9567.7819791214. The cubic root of 91542452 is about 450.6861171283.

The spelling of 91542452 in words is "ninety-one million, five hundred forty-two thousand, four hundred fifty-two".