151890125 has 8 divisors (see below), whose sum is σ = 189559032. Its totient is φ = 121512000.

The previous prime is 151890113. The next prime is 151890157. The reversal of 151890125 is 521098151.

It can be written as a sum of positive squares in 4 ways, for example, as 16144324 + 135745801 = 4018^2 + 11651^2 .

It is not a de Polignac number, because 151890125 - 2¹⁴ = 151873741 is a prime.

It is a super-2 number, since 2×151890125² = 46141220145031250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151890091 and 151890100.

It is a congruent number.

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, 607436 + ... + 607685.

It is an arithmetic number, because the mean of its divisors is an integer number (23694879).

Almost surely, 2^151890125 is an apocalyptic number.

It is an amenable number.

151890125 is a deficient number, since it is larger than the sum of its proper divisors (37668907).

151890125 is an equidigital number, since it uses as much as digits as its factorization.

151890125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215136 (or 1215126 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 32.

The square root of 151890125 is about 12324.3711807134. The cubic root of 151890125 is about 533.5517063650.

The spelling of 151890125 in words is "one hundred fifty-one million, eight hundred ninety thousand, one hundred twenty-five".