149277953 has 4 divisors (see below), whose sum is σ = 162848688. Its totient is φ = 135707220.

The previous prime is 149277929. The next prime is 149277967. The reversal of 149277953 is 359772941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 149277953 - 2¹⁰ = 149276929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149277898 and 149277907.

It is not an unprimeable number, because it can be changed into a prime (149277253) 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, 6785351 + ... + 6785372.

It is an arithmetic number, because the mean of its divisors is an integer number (40712172).

Almost surely, 2^149277953 is an apocalyptic number.

It is an amenable number.

149277953 is a deficient number, since it is larger than the sum of its proper divisors (13570735).

149277953 is a wasteful number, since it uses less digits than its factorization.

149277953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13570734.

The product of its digits is 476280, while the sum is 47.

The square root of 149277953 is about 12217.9357094396. The cubic root of 149277953 is about 530.4753691598.

The spelling of 149277953 in words is "one hundred forty-nine million, two hundred seventy-seven thousand, nine hundred fifty-three".