147289040 has 20 divisors (see below), whose sum is σ = 342447204. Its totient is φ = 58915584.

The previous prime is 147289027. The next prime is 147289069. The reversal of 147289040 is 40982741.

147289040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 67436944 + 79852096 = 8212^2 + 8936^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×147289040² = 43388122608243200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920477 + ... + 920636.

Almost surely, 2^147289040 is an apocalyptic number.

147289040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147289040 is an abundant number, since it is smaller than the sum of its proper divisors (195158164).

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

147289040 is a wasteful number, since it uses less digits than its factorization.

147289040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841126 (or 1841120 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 147289040 is about 12136.2696080797. The cubic root of 147289040 is about 528.1088886230.

The spelling of 147289040 in words is "one hundred forty-seven million, two hundred eighty-nine thousand, forty".