149165255 has 4 divisors (see below), whose sum is σ = 178998312. Its totient is φ = 119332200.

The previous prime is 149165251. The next prime is 149165329. The reversal of 149165255 is 552561941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552561941 = 53 ⋅10425697.

It is not a de Polignac number, because 149165255 - 2² = 149165251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149165251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14916521 + ... + 14916530.

It is an arithmetic number, because the mean of its divisors is an integer number (44749578).

Almost surely, 2^149165255 is an apocalyptic number.

149165255 is a deficient number, since it is larger than the sum of its proper divisors (29833057).

149165255 is an equidigital number, since it uses as much as digits as its factorization.

149165255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29833056.

The product of its digits is 54000, while the sum is 38.

The square root of 149165255 is about 12213.3228484307. The cubic root of 149165255 is about 530.3418407031.

The spelling of 149165255 in words is "one hundred forty-nine million, one hundred sixty-five thousand, two hundred fifty-five".