7455149136 has 60 divisors (see below), whose sum is σ = 20870420532. Its totient is φ = 2484292608.

The previous prime is 7455149131. The next prime is 7455149147. The reversal of 7455149136 is 6319415547.

7455149136 is a `hidden beast` number, since 7 + 4 + 551 + 4 + 91 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 855211536 + 6599937600 = 29244^2 + 81240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7455149091 and 7455149100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7455149131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665050 + ... + 676166.

Almost surely, 2^7455149136 is an apocalyptic number.

It is an amenable number.

7455149136 is an abundant number, since it is smaller than the sum of its proper divisors (13415271396).

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

7455149136 is a wasteful number, since it uses less digits than its factorization.

7455149136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15788 (or 15779 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 7455149136 is about 86343.2054999118. The cubic root of 7455149136 is about 1953.5241234689.

The spelling of 7455149136 in words is "seven billion, four hundred fifty-five million, one hundred forty-nine thousand, one hundred thirty-six".