155628942 has 16 divisors (see below), whose sum is σ = 355723392. Its totient is φ = 44465400.

The previous prime is 155628937. The next prime is 155628953. The reversal of 155628942 is 249826551.

155628942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3705451 = 155628942 / (1 + 5 + 5 + 6 + 2 + 8 + 9 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 155628894 and 155628903.

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, 1852684 + ... + 1852767.

It is an arithmetic number, because the mean of its divisors is an integer number (22232712).

Almost surely, 2^155628942 is an apocalyptic number.

155628942 is an abundant number, since it is smaller than the sum of its proper divisors (200094450).

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

155628942 is a wasteful number, since it uses less digits than its factorization.

155628942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705463.

The product of its digits is 172800, while the sum is 42.

The square root of 155628942 is about 12475.1329451834. The cubic root of 155628942 is about 537.8941095154.

The spelling of 155628942 in words is "one hundred fifty-five million, six hundred twenty-eight thousand, nine hundred forty-two".