151505040 has 40 divisors (see below), whose sum is σ = 469666368. Its totient is φ = 40401280.

The previous prime is 151505033. The next prime is 151505051. The reversal of 151505040 is 40505151.

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 = 151504998 and 151505016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315396 + ... + 315875.

Almost surely, 2^151505040 is an apocalyptic number.

151505040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151505040 is an abundant number, since it is smaller than the sum of its proper divisors (318161328).

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

151505040 is a wasteful number, since it uses less digits than its factorization.

151505040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631287 (or 631281 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 151505040 is about 12308.7383593933. The cubic root of 151505040 is about 533.1004226065.

The spelling of 151505040 in words is "one hundred fifty-one million, five hundred five thousand, forty".