149269955 has 4 divisors (see below), whose sum is σ = 179123952. Its totient is φ = 119415960.

The previous prime is 149269943. The next prime is 149269957. The reversal of 149269955 is 559962941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559962941 = 7369 ⋅75989.

It is not a de Polignac number, because 149269955 - 2¹² = 149265859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149269957) 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, 14926991 + ... + 14927000.

It is an arithmetic number, because the mean of its divisors is an integer number (44780988).

Almost surely, 2^149269955 is an apocalyptic number.

149269955 is a deficient number, since it is larger than the sum of its proper divisors (29853997).

149269955 is an equidigital number, since it uses as much as digits as its factorization.

149269955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29853996.

The product of its digits is 874800, while the sum is 50.

The square root of 149269955 is about 12217.6083993554. The cubic root of 149269955 is about 530.4658950710.

The spelling of 149269955 in words is "one hundred forty-nine million, two hundred sixty-nine thousand, nine hundred fifty-five".