151614640 has 40 divisors (see below), whose sum is σ = 355758480. Its totient is φ = 60086016.

The previous prime is 151614629. The next prime is 151614733. The reversal of 151614640 is 46416151.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 151614599 and 151614608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27 + ... + 17413.

It is an arithmetic number, because the mean of its divisors is an integer number (8893962).

Almost surely, 2^151614640 is an apocalyptic number.

151614640 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 151614640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177879240).

151614640 is an abundant number, since it is smaller than the sum of its proper divisors (204143840).

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

151614640 is a wasteful number, since it uses less digits than its factorization.

151614640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17509 (or 17503 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 151614640 is about 12313.1896761156. The cubic root of 151614640 is about 533.2289413737.

The spelling of 151614640 in words is "one hundred fifty-one million, six hundred fourteen thousand, six hundred forty".