147253420 has 24 divisors (see below), whose sum is σ = 325508400. Its totient is φ = 55801152.

The previous prime is 147253399. The next prime is 147253453. The reversal of 147253420 is 24352741.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193375 + ... + 194134.

It is an arithmetic number, because the mean of its divisors is an integer number (13562850).

Almost surely, 2^147253420 is an apocalyptic number.

147253420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147253420 is an abundant number, since it is smaller than the sum of its proper divisors (178254980).

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

147253420 is a wasteful number, since it uses less digits than its factorization.

147253420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387537 (or 387535 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 147253420 is about 12134.8020173384. The cubic root of 147253420 is about 528.0663130287.

It can be divided in two parts, 14725 and 3420, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 147253420 in words is "one hundred forty-seven million, two hundred fifty-three thousand, four hundred twenty".