154013040 has 120 divisors (see below), whose sum is σ = 519483120. Its totient is φ = 40891392.

The previous prime is 154013033. The next prime is 154013099. The reversal of 154013040 is 40310451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294219 + ... + 294741.

It is an arithmetic number, because the mean of its divisors is an integer number (4329026).

Almost surely, 2^154013040 is an apocalyptic number.

154013040 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 154013040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259741560).

154013040 is an abundant number, since it is smaller than the sum of its proper divisors (365470080).

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

154013040 is a wasteful number, since it uses less digits than its factorization.

154013040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 154013040 is about 12410.1990314418. The cubic root of 154013040 is about 536.0259696335.

Adding to 154013040 its reverse (40310451), we get a palindrome (194323491).

The spelling of 154013040 in words is "one hundred fifty-four million, thirteen thousand, forty".