155013540 has 48 divisors (see below), whose sum is σ = 473497920. Its totient is φ = 37578880.

The previous prime is 155013527. The next prime is 155013553. The reversal of 155013540 is 45310551.

It is an interprime number because it is at equal distance from previous prime (155013527) and next prime (155013553).

It is a self number, because there is not a number n which added to its sum of digits gives 155013540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116775 + ... + 118094.

It is an arithmetic number, because the mean of its divisors is an integer number (9864540).

Almost surely, 2^155013540 is an apocalyptic number.

155013540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155013540 is an abundant number, since it is smaller than the sum of its proper divisors (318484380).

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

155013540 is a wasteful number, since it uses less digits than its factorization.

155013540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234892 (or 234890 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 155013540 is about 12450.4433655995. The cubic root of 155013540 is about 537.1841764626.

The spelling of 155013540 in words is "one hundred fifty-five million, thirteen thousand, five hundred forty".