155094140 has 24 divisors (see below), whose sum is σ = 326678352. Its totient is φ = 61850880.

The previous prime is 155094139. The next prime is 155094157. The reversal of 155094140 is 41490551.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 4766 + ... + 18245.

It is an arithmetic number, because the mean of its divisors is an integer number (13611598).

Almost surely, 2^155094140 is an apocalyptic number.

155094140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155094140 is an abundant number, since it is smaller than the sum of its proper divisors (171584212).

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

155094140 is a wasteful number, since it uses less digits than its factorization.

155094140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23357 (or 23355 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 155094140 is about 12453.6797774794. The cubic root of 155094140 is about 537.2772641216.

The spelling of 155094140 in words is "one hundred fifty-five million, ninety-four thousand, one hundred forty".