155461794 has 32 divisors (see below), whose sum is σ = 317551104. Its totient is φ = 50724480.

The previous prime is 155461793. The next prime is 155461799. The reversal of 155461794 is 497164551.

It is not an unprimeable number, because it can be changed into a prime (155461793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84367 + ... + 86189.

It is an arithmetic number, because the mean of its divisors is an integer number (9923472).

Almost surely, 2^155461794 is an apocalyptic number.

155461794 is an abundant number, since it is smaller than the sum of its proper divisors (162089310).

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

155461794 is a wasteful number, since it uses less digits than its factorization.

155461794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122.

The product of its digits is 151200, while the sum is 42.

The square root of 155461794 is about 12468.4318981979. The cubic root of 155461794 is about 537.7014715433.

The spelling of 155461794 in words is "one hundred fifty-five million, four hundred sixty-one thousand, seven hundred ninety-four".