154100420 has 24 divisors (see below), whose sum is σ = 324727704. Its totient is φ = 61427456.

The previous prime is 154100413. The next prime is 154100467. The reversal of 154100420 is 24001451.

It can be written as a sum of positive squares in 4 ways, for example, as 46895104 + 107205316 = 6848^2 + 10354^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7289 + ... + 19008.

It is an arithmetic number, because the mean of its divisors is an integer number (13530321).

Almost surely, 2^154100420 is an apocalyptic number.

154100420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154100420 is an abundant number, since it is smaller than the sum of its proper divisors (170627284).

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

154100420 is a wasteful number, since it uses less digits than its factorization.

154100420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26599 (or 26597 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 154100420 is about 12413.7190237253. The cubic root of 154100420 is about 536.1273227270.

Adding to 154100420 its reverse (24001451), we get a palindrome (178101871).

The spelling of 154100420 in words is "one hundred fifty-four million, one hundred thousand, four hundred twenty".