149877275 has 6 divisors (see below), whose sum is σ = 185847852. Its totient is φ = 119901800.

The previous prime is 149877239. The next prime is 149877293. The reversal of 149877275 is 572778941.

It is a happy number.

It is not a de Polignac number, because 149877275 - 2⁸ = 149877019 is a prime.

It is a super-2 number, since 2×149877275² = 44926395122851250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2997521 + ... + 2997570.

It is an arithmetic number, because the mean of its divisors is an integer number (30974642).

Almost surely, 2^149877275 is an apocalyptic number.

149877275 is a deficient number, since it is larger than the sum of its proper divisors (35970577).

149877275 is an equidigital number, since it uses as much as digits as its factorization.

149877275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995101 (or 5995096 counting only the distinct ones).

The product of its digits is 987840, while the sum is 50.

The square root of 149877275 is about 12242.4374615515. The cubic root of 149877275 is about 531.1843397512.

The spelling of 149877275 in words is "one hundred forty-nine million, eight hundred seventy-seven thousand, two hundred seventy-five".