153459640 has 32 divisors (see below), whose sum is σ = 347366880. Its totient is φ = 61013632.

The previous prime is 153459617. The next prime is 153459661. The reversal of 153459640 is 46954351.

153459640 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 2×153459640² = 47099722217859200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 153459640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4807 + ... + 18166.

It is an arithmetic number, because the mean of its divisors is an integer number (10855215).

Almost surely, 2^153459640 is an apocalyptic number.

153459640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153459640 is an abundant number, since it is smaller than the sum of its proper divisors (193907240).

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

153459640 is a wasteful number, since it uses less digits than its factorization.

153459640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23151 (or 23147 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 153459640 is about 12387.8827892421. The cubic root of 153459640 is about 535.3831825585.

The spelling of 153459640 in words is "one hundred fifty-three million, four hundred fifty-nine thousand, six hundred forty".