147980655 has 32 divisors (see below), whose sum is σ = 265705920. Its totient is φ = 78134400.

The previous prime is 147980653. The next prime is 147980659. The reversal of 147980655 is 556089741.

It is not a de Polignac number, because 147980655 - 2¹ = 147980653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 147980655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147980653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8209 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (8303310).

Almost surely, 2^147980655 is an apocalyptic number.

147980655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

147980655 is a deficient number, since it is larger than the sum of its proper divisors (117725265).

147980655 is a wasteful number, since it uses less digits than its factorization.

147980655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10968 (or 10962 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 147980655 is about 12164.7299600114. The cubic root of 147980655 is about 528.9341996933.

The spelling of 147980655 in words is "one hundred forty-seven million, nine hundred eighty thousand, six hundred fifty-five".