155013814 has 4 divisors (see below), whose sum is σ = 232520724. Its totient is φ = 77506906.

The previous prime is 155013791. The next prime is 155013823. The reversal of 155013814 is 418310551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 418310551 = 17 ⋅24606503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38753452 + ... + 38753455.

It is an arithmetic number, because the mean of its divisors is an integer number (58130181).

Almost surely, 2^155013814 is an apocalyptic number.

155013814 is a deficient number, since it is larger than the sum of its proper divisors (77506910).

155013814 is an equidigital number, since it uses as much as digits as its factorization.

155013814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77506909.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 155013814 is about 12450.4543692188. The cubic root of 155013814 is about 537.1844929691.

The spelling of 155013814 in words is "one hundred fifty-five million, thirteen thousand, eight hundred fourteen".