154153331220 has 96 divisors (see below), whose sum is σ = 493342311168. Its totient is φ = 35231357952.

The previous prime is 154153331197. The next prime is 154153331239. The reversal of 154153331220 is 22133351451.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 7439194 + ... + 7459886.

It is an arithmetic number, because the mean of its divisors is an integer number (5138982408).

Almost surely, 2^154153331220 is an apocalyptic number.

154153331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154153331220 is an abundant number, since it is smaller than the sum of its proper divisors (339188979948).

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

154153331220 is a wasteful number, since it uses less digits than its factorization.

154153331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38449 (or 38447 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 154153331220 its reverse (22133351451), we get a palindrome (176286682671).

The spelling of 154153331220 in words is "one hundred fifty-four billion, one hundred fifty-three million, three hundred thirty-one thousand, two hundred twenty".