153450440 has 128 divisors (see below), whose sum is σ = 410659200. Its totient is φ = 50872320.

The previous prime is 153450421. The next prime is 153450467. The reversal of 153450440 is 44054351.

153450440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794984 + ... + 795176.

It is an arithmetic number, because the mean of its divisors is an integer number (3208275).

Almost surely, 2^153450440 is an apocalyptic number.

153450440 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 153450440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205329600).

153450440 is an abundant number, since it is smaller than the sum of its proper divisors (257208760).

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

153450440 is a wasteful number, since it uses less digits than its factorization.

153450440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 153450440 is about 12387.5114530724. The cubic root of 153450440 is about 535.3724834941.

The spelling of 153450440 in words is "one hundred fifty-three million, four hundred fifty thousand, four hundred forty".