147657040 has 20 divisors (see below), whose sum is σ = 343302804. Its totient is φ = 59062784.

The previous prime is 147657017. The next prime is 147657071. The reversal of 147657040 is 40756741.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46131264 + 101525776 = 6792^2 + 10076^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 147656987 and 147657005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922777 + ... + 922936.

Almost surely, 2^147657040 is an apocalyptic number.

147657040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147657040 is an abundant number, since it is smaller than the sum of its proper divisors (195645764).

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

147657040 is a wasteful number, since it uses less digits than its factorization.

147657040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845726 (or 1845720 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 147657040 is about 12151.4213160437. The cubic root of 147657040 is about 528.5483475260.

The spelling of 147657040 in words is "one hundred forty-seven million, six hundred fifty-seven thousand, forty".