147298640 has 40 divisors (see below), whose sum is σ = 360497760. Its totient is φ = 55817856.

The previous prime is 147298637. The next prime is 147298643. The reversal of 147298640 is 46892741.

It is an interprime number because it is at equal distance from previous prime (147298637) and next prime (147298643).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147298643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46934 + ... + 49973.

It is an arithmetic number, because the mean of its divisors is an integer number (9012444).

Almost surely, 2^147298640 is an apocalyptic number.

147298640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147298640 is an abundant number, since it is smaller than the sum of its proper divisors (213199120).

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

147298640 is a wasteful number, since it uses less digits than its factorization.

147298640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96939 (or 96933 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 147298640 is about 12136.6651103176. The cubic root of 147298640 is about 528.1203620614.

The spelling of 147298640 in words is "one hundred forty-seven million, two hundred ninety-eight thousand, six hundred forty".