147274540 has 24 divisors (see below), whose sum is σ = 353459232. Its totient is φ = 50494080.

The previous prime is 147274493. The next prime is 147274549. The reversal of 147274540 is 45472741.

It is a happy number.

147274540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 147274496 and 147274505.

It is not an unprimeable number, because it can be changed into a prime (147274549) 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, 525841 + ... + 526120.

It is an arithmetic number, because the mean of its divisors is an integer number (14727468).

Almost surely, 2^147274540 is an apocalyptic number.

147274540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147274540 is an abundant number, since it is smaller than the sum of its proper divisors (206184692).

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

147274540 is a wasteful number, since it uses less digits than its factorization.

147274540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051977 (or 1051975 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 147274540 is about 12135.6722104711. The cubic root of 147274540 is about 528.0915580052.

The spelling of 147274540 in words is "one hundred forty-seven million, two hundred seventy-four thousand, five hundred forty".