149399245 has 16 divisors (see below), whose sum is σ = 182771712. Its totient is φ = 117210240.

The previous prime is 149399233. The next prime is 149399251. The reversal of 149399245 is 542993941.

It is not a de Polignac number, because 149399245 - 2¹⁷ = 149268173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149399195 and 149399204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68644 + ... + 70786.

It is an arithmetic number, because the mean of its divisors is an integer number (11423232).

Almost surely, 2^149399245 is an apocalyptic number.

It is an amenable number.

149399245 is a deficient number, since it is larger than the sum of its proper divisors (33372467).

149399245 is a wasteful number, since it uses less digits than its factorization.

149399245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412.

The product of its digits is 349920, while the sum is 46.

The square root of 149399245 is about 12222.8983878620. The cubic root of 149399245 is about 530.6190050160.

The spelling of 149399245 in words is "one hundred forty-nine million, three hundred ninety-nine thousand, two hundred forty-five".