149585445 has 48 divisors (see below), whose sum is σ = 273162240. Its totient is φ = 75575808.

The previous prime is 149585437. The next prime is 149585453. The reversal of 149585445 is 544585941.

149585445 is a `hidden beast` number, since 14 + 95 + 8 + 544 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (149585437) and next prime (149585453).

It is not a de Polignac number, because 149585445 - 2³ = 149585437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 149585445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116316 + ... + 117594.

It is an arithmetic number, because the mean of its divisors is an integer number (5690880).

Almost surely, 2^149585445 is an apocalyptic number.

149585445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149585445 is a deficient number, since it is larger than the sum of its proper divisors (123576795).

149585445 is a wasteful number, since it uses less digits than its factorization.

149585445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1423 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 149585445 is about 12230.5128674148. The cubic root of 149585445 is about 530.8393547261.

The spelling of 149585445 in words is "one hundred forty-nine million, five hundred eighty-five thousand, four hundred forty-five".