147279540 has 48 divisors (see below), whose sum is σ = 412917120. Its totient is φ = 39223680.

The previous prime is 147279523. The next prime is 147279541. The reversal of 147279540 is 45972741.

147279540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×147279540² = 43382525805223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147279541) 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, 78210 + ... + 80070.

It is an arithmetic number, because the mean of its divisors is an integer number (8602440).

Almost surely, 2^147279540 is an apocalyptic number.

147279540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147279540 is an abundant number, since it is smaller than the sum of its proper divisors (265637580).

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

147279540 is a wasteful number, since it uses less digits than its factorization.

147279540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3190 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 147279540 is about 12135.8782129684. The cubic root of 147279540 is about 528.0975342088.

The spelling of 147279540 in words is "one hundred forty-seven million, two hundred seventy-nine thousand, five hundred forty".