147557061 has 24 divisors (see below), whose sum is σ = 216403200. Its totient is φ = 96876000.

The previous prime is 147557057. The next prime is 147557071. The reversal of 147557061 is 160755741.

147557061 is a `hidden beast` number, since 1 + 47 + 557 + 0 + 61 = 666.

It is not a de Polignac number, because 147557061 - 2² = 147557057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147557041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246040 + ... + 246638.

It is an arithmetic number, because the mean of its divisors is an integer number (9016800).

Almost surely, 2^147557061 is an apocalyptic number.

It is an amenable number.

147557061 is a deficient number, since it is larger than the sum of its proper divisors (68846139).

147557061 is a wasteful number, since it uses less digits than its factorization.

147557061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 147557061 is about 12147.3067385326. The cubic root of 147557061 is about 528.4290267301.

The spelling of 147557061 in words is "one hundred forty-seven million, five hundred fifty-seven thousand, sixty-one".