155001942 has 12 divisors (see below), whose sum is σ = 335837580. Its totient is φ = 51667308.

The previous prime is 155001941. The next prime is 155001949. The reversal of 155001942 is 249100551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155001941) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4305592 + ... + 4305627.

It is an arithmetic number, because the mean of its divisors is an integer number (27986465).

Almost surely, 2^155001942 is an apocalyptic number.

155001942 is an abundant number, since it is smaller than the sum of its proper divisors (180835638).

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

155001942 is a wasteful number, since it uses less digits than its factorization.

155001942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611227 (or 8611224 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 155001942 is about 12449.9775903413. The cubic root of 155001942 is about 537.1707788858.

The spelling of 155001942 in words is "one hundred fifty-five million, one thousand, nine hundred forty-two".