147157020 has 96 divisors (see below), whose sum is σ = 473659200. Its totient is φ = 37884672.

The previous prime is 147157009. The next prime is 147157039. The reversal of 147157020 is 20751741.

147157020 is a `hidden beast` number, since 1 + 4 + 71 + 570 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10962 + ... + 20358.

It is an arithmetic number, because the mean of its divisors is an integer number (4933950).

Almost surely, 2^147157020 is an apocalyptic number.

147157020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147157020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236829600).

147157020 is an abundant number, since it is smaller than the sum of its proper divisors (326502180).

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

147157020 is a wasteful number, since it uses less digits than its factorization.

147157020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444 (or 9436 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 147157020 is about 12130.8293203721. The cubic root of 147157020 is about 527.9510543472.

The spelling of 147157020 in words is "one hundred forty-seven million, one hundred fifty-seven thousand, twenty".