155146893 has 8 divisors (see below), whose sum is σ = 225668256. Its totient is φ = 94028400.

The previous prime is 155146861. The next prime is 155146933. The reversal of 155146893 is 398641551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155146893 - 2⁵ = 155146861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155146843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350678 + ... + 2350743.

It is an arithmetic number, because the mean of its divisors is an integer number (28208532).

Almost surely, 2^155146893 is an apocalyptic number.

It is an amenable number.

155146893 is a deficient number, since it is larger than the sum of its proper divisors (70521363).

155146893 is a wasteful number, since it uses less digits than its factorization.

155146893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701435.

The product of its digits is 129600, while the sum is 42.

The square root of 155146893 is about 12455.7975657924. The cubic root of 155146893 is about 537.3381728803.

The spelling of 155146893 in words is "one hundred fifty-five million, one hundred forty-six thousand, eight hundred ninety-three".