921452152 has 8 divisors (see below), whose sum is σ = 1727722800. Its totient is φ = 460726072.

The previous prime is 921452141. The next prime is 921452167. The reversal of 921452152 is 251254129.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×921452152² = 1698148136850862208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57590752 + ... + 57590767.

It is an arithmetic number, because the mean of its divisors is an integer number (215965350).

Almost surely, 2^921452152 is an apocalyptic number.

It is an amenable number.

921452152 is a deficient number, since it is larger than the sum of its proper divisors (806270648).

921452152 is a wasteful number, since it uses less digits than its factorization.

921452152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115181525 (or 115181521 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 921452152 is about 30355.4303543863. The cubic root of 921452152 is about 973.1002770758.

The spelling of 921452152 in words is "nine hundred twenty-one million, four hundred fifty-two thousand, one hundred fifty-two".