151625440 has 24 divisors (see below), whose sum is σ = 358215480. Its totient is φ = 60650112.

The previous prime is 151625437. The next prime is 151625459. The reversal of 151625440 is 44526151.

It is a junction number, because it is equal to n+sod(n) for n = 151625399 and 151625408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473670 + ... + 473989.

It is an arithmetic number, because the mean of its divisors is an integer number (14925645).

Almost surely, 2^151625440 is an apocalyptic number.

151625440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151625440 is an abundant number, since it is smaller than the sum of its proper divisors (206590040).

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

151625440 is an equidigital number, since it uses as much as digits as its factorization.

151625440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947674 (or 947666 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 151625440 is about 12313.6282224209. The cubic root of 151625440 is about 533.2416022791.

It can be divided in two parts, 15162 and 5440, that added together give a palindrome (20602).

The spelling of 151625440 in words is "one hundred fifty-one million, six hundred twenty-five thousand, four hundred forty".