455124138 has 128 divisors (see below), whose sum is σ = 1157345280. Its totient is φ = 116328960.

The previous prime is 455124101. The next prime is 455124139. The reversal of 455124138 is 831421554.

It is a junction number, because it is equal to n+sod(n) for n = 455124099 and 455124108.

It is not an unprimeable number, because it can be changed into a prime (455124139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2514408 + ... + 2514588.

It is an arithmetic number, because the mean of its divisors is an integer number (9041760).

Almost surely, 2^455124138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455124138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578672640).

455124138 is an abundant number, since it is smaller than the sum of its proper divisors (702221142).

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

455124138 is a wasteful number, since it uses less digits than its factorization.

455124138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its digits is 19200, while the sum is 33.

The square root of 455124138 is about 21333.6386488569. The cubic root of 455124138 is about 769.2071098328.

The spelling of 455124138 in words is "four hundred fifty-five million, one hundred twenty-four thousand, one hundred thirty-eight".