149280907 has 4 divisors (see below), whose sum is σ = 152752600. Its totient is φ = 145809216.

The previous prime is 149280869. The next prime is 149280917. The reversal of 149280907 is 709082941.

149280907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709082941 = 7 ⋅101297563.

It is not a de Polignac number, because 149280907 - 2¹⁵ = 149248139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149280907.

It is not an unprimeable number, because it can be changed into a prime (149280917) 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, 1735782 + ... + 1735867.

It is an arithmetic number, because the mean of its divisors is an integer number (38188150).

Almost surely, 2^149280907 is an apocalyptic number.

149280907 is a deficient number, since it is larger than the sum of its proper divisors (3471693).

149280907 is an equidigital number, since it uses as much as digits as its factorization.

149280907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471692.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 149280907 is about 12218.0565966933. The cubic root of 149280907 is about 530.4788682564.

The spelling of 149280907 in words is "one hundred forty-nine million, two hundred eighty thousand, nine hundred seven".