147299457 has 16 divisors (see below), whose sum is σ = 211138560. Its totient is φ = 91050192.

The previous prime is 147299437. The next prime is 147299483. The reversal of 147299457 is 754992741.

It is not a de Polignac number, because 147299457 - 2⁷ = 147299329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147299417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24813 + ... + 30170.

It is an arithmetic number, because the mean of its divisors is an integer number (13196160).

Almost surely, 2^147299457 is an apocalyptic number.

It is an amenable number.

147299457 is a deficient number, since it is larger than the sum of its proper divisors (63839103).

147299457 is a wasteful number, since it uses less digits than its factorization.

147299457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55052.

The product of its digits is 635040, while the sum is 48.

The square root of 147299457 is about 12136.6987686108. The cubic root of 147299457 is about 528.1213384758.

The spelling of 147299457 in words is "one hundred forty-seven million, two hundred ninety-nine thousand, four hundred fifty-seven".