147640944717252 has 384 divisors, whose sum is σ = 466146928558080. Its totient is φ = 39448872253440.

The previous prime is 147640944717247. The next prime is 147640944717283. The reversal of 147640944717252 is 252717449046741.

147640944717252 is a `hidden beast` number, since 1 + 4 + 7 + 6 + 4 + 0 + 94 + 471 + 72 + 5 + 2 = 666.

It is a super-2 number, since 2×147640944717252² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 147640944717252.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1299061893 + ... + 1299175539.

It is an arithmetic number, because the mean of its divisors is an integer number (1213924293120).

Almost surely, 2^{147640944717252} is an apocalyptic number.

147640944717252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147640944717252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233073464279040).

147640944717252 is an abundant number, since it is smaller than the sum of its proper divisors (318505983840828).

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

147640944717252 is a wasteful number, since it uses less digits than its factorization.

147640944717252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114328 (or 114320 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 63.

The spelling of 147640944717252 in words is "one hundred forty-seven trillion, six hundred forty billion, nine hundred forty-four million, seven hundred seventeen thousand, two hundred fifty-two".