455149692 has 132 divisors (see below), whose sum is σ = 1249942176. Its totient is φ = 144866880.

The previous prime is 455149663. The next prime is 455149697. The reversal of 455149692 is 296941554.

455149692 is a `hidden beast` number, since 4 + 551 + 4 + 9 + 6 + 92 = 666.

It is a super-2 number, since 2×455149692² = 414322484255389728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455149697) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 9684013 + ... + 9684059.

Almost surely, 2^455149692 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 455149692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624971088).

455149692 is an abundant number, since it is smaller than the sum of its proper divisors (794792484).

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

455149692 is an equidigital number, since it uses as much as digits as its factorization.

455149692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 93 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 455149692 is about 21334.2375537538. The cubic root of 455149692 is about 769.2215058690.

The spelling of 455149692 in words is "four hundred fifty-five million, one hundred forty-nine thousand, six hundred ninety-two".