154157020 has 48 divisors (see below), whose sum is σ = 347524128. Its totient is φ = 57231360.

The previous prime is 154156997. The next prime is 154157033. The reversal of 154157020 is 20751451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21715 + ... + 27925.

It is an arithmetic number, because the mean of its divisors is an integer number (7240086).

Almost surely, 2^154157020 is an apocalyptic number.

154157020 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 154157020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173762064).

154157020 is an abundant number, since it is smaller than the sum of its proper divisors (193367108).

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

154157020 is a wasteful number, since it uses less digits than its factorization.

154157020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310 (or 6308 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 154157020 is about 12415.9985502576. The cubic root of 154157020 is about 536.1929532902.

The spelling of 154157020 in words is "one hundred fifty-four million, one hundred fifty-seven thousand, twenty".