155294402 has 8 divisors (see below), whose sum is σ = 239237436. Its totient is φ = 75548592.

The previous prime is 155294387. The next prime is 155294417. The reversal of 155294402 is 204492551.

It is an interprime number because it is at equal distance from previous prime (155294387) and next prime (155294417).

It can be written as a sum of positive squares in 2 ways, for example, as 142110241 + 13184161 = 11921^2 + 3631^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049213 + ... + 1049360.

Almost surely, 2^155294402 is an apocalyptic number.

155294402 is a deficient number, since it is larger than the sum of its proper divisors (83943034).

155294402 is a wasteful number, since it uses less digits than its factorization.

155294402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098612.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 155294402 is about 12461.7174578787. The cubic root of 155294402 is about 537.5084139299.

The spelling of 155294402 in words is "one hundred fifty-five million, two hundred ninety-four thousand, four hundred two".