149298907 has 4 divisors (see below), whose sum is σ = 150777216. Its totient is φ = 147820600.

The previous prime is 149298899. The next prime is 149298923. The reversal of 149298907 is 709892941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709892941 = 83 ⋅8552927.

It is a cyclic number.

It is not a de Polignac number, because 149298907 - 2³ = 149298899 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149298937) 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, 739003 + ... + 739204.

It is an arithmetic number, because the mean of its divisors is an integer number (37694304).

Almost surely, 2^149298907 is an apocalyptic number.

149298907 is a deficient number, since it is larger than the sum of its proper divisors (1478309).

149298907 is a wasteful number, since it uses less digits than its factorization.

149298907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478308.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 149298907 is about 12218.7931891820. The cubic root of 149298907 is about 530.5001887678.

The spelling of 149298907 in words is "one hundred forty-nine million, two hundred ninety-eight thousand, nine hundred seven".