155046251 has 12 divisors (see below), whose sum is σ = 164281104. Its totient is φ = 146307600.

The previous prime is 155046223. The next prime is 155046257. The reversal of 155046251 is 152640551.

It is a happy number.

It is not a de Polignac number, because 155046251 - 2⁶ = 155046187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155046257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111581 + ... + 112961.

It is an arithmetic number, because the mean of its divisors is an integer number (13690092).

Almost surely, 2^155046251 is an apocalyptic number.

155046251 is a deficient number, since it is larger than the sum of its proper divisors (9234853).

155046251 is a wasteful number, since it uses less digits than its factorization.

155046251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 155046251 is about 12451.7569443031. The cubic root of 155046251 is about 537.2219593895.

The spelling of 155046251 in words is "one hundred fifty-five million, forty-six thousand, two hundred fifty-one".