154042920 has 96 divisors (see below), whose sum is σ = 502281000. Its totient is φ = 40943616.

The previous prime is 154042919. The next prime is 154042927. The reversal of 154042920 is 29240451.

It can be written as a sum of positive squares in 4 ways, for example, as 124947684 + 29095236 = 11178^2 + 5394^2 .

It is not an unprimeable number, because it can be changed into a prime (154042927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161164 + ... + 162116.

Almost surely, 2^154042920 is an apocalyptic number.

154042920 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 154042920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251140500).

154042920 is an abundant number, since it is smaller than the sum of its proper divisors (348238080).

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

154042920 is a wasteful number, since it uses less digits than its factorization.

154042920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 154042920 is about 12411.4028215992. The cubic root of 154042920 is about 536.0606321104.

The spelling of 154042920 in words is "one hundred fifty-four million, forty-two thousand, nine hundred twenty".