147575757492 has 72 divisors (see below), whose sum is σ = 387091833856. Its totient is φ = 49161800448.

The previous prime is 147575757401. The next prime is 147575757529. The reversal of 147575757492 is 294757575741.

147575757492 is a `hidden beast` number, since 1 + 4 + 7 + 5 + 7 + 57 + 574 + 9 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1570788 + ... + 1662084.

Almost surely, 2^147575757492 is an apocalyptic number.

147575757492 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 147575757492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193545916928).

147575757492 is an abundant number, since it is smaller than the sum of its proper divisors (239516076364).

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

147575757492 is a wasteful number, since it uses less digits than its factorization.

147575757492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92979 (or 92965 counting only the distinct ones).

The product of its digits is 86436000, while the sum is 63.

The spelling of 147575757492 in words is "one hundred forty-seven billion, five hundred seventy-five million, seven hundred fifty-seven thousand, four hundred ninety-two".