151558740 has 72 divisors (see below), whose sum is σ = 486780840. Its totient is φ = 38037504.

The previous prime is 151558739. The next prime is 151558769. The reversal of 151558740 is 47855151.

It can be written as a sum of positive squares in 4 ways, for example, as 4955076 + 146603664 = 2226^2 + 12108^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 151558695 and 151558704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21705 + ... + 27824.

It is an arithmetic number, because the mean of its divisors is an integer number (6760845).

Almost surely, 2^151558740 is an apocalyptic number.

151558740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151558740 is an abundant number, since it is smaller than the sum of its proper divisors (335222100).

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

151558740 is a wasteful number, since it uses less digits than its factorization.

151558740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49561 (or 49556 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The square root of 151558740 is about 12310.9195432348. The cubic root of 151558740 is about 533.1633998537.

The spelling of 151558740 in words is "one hundred fifty-one million, five hundred fifty-eight thousand, seven hundred forty".