151258440 has 32 divisors (see below), whose sum is σ = 453775680. Its totient is φ = 40335552.

The previous prime is 151258433. The next prime is 151258451. The reversal of 151258440 is 44852151.

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

It is a junction number, because it is equal to n+sod(n) for n = 151258398 and 151258407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630124 + ... + 630363.

It is an arithmetic number, because the mean of its divisors is an integer number (14180490).

Almost surely, 2^151258440 is an apocalyptic number.

151258440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151258440 is an abundant number, since it is smaller than the sum of its proper divisors (302517240).

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

151258440 is a wasteful number, since it uses less digits than its factorization.

151258440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260501 (or 1260497 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 151258440 is about 12298.7170062572. The cubic root of 151258440 is about 532.8110285933.

The spelling of 151258440 in words is "one hundred fifty-one million, two hundred fifty-eight thousand, four hundred forty".