149254907 has 4 divisors (see below), whose sum is σ = 149895720. Its totient is φ = 148614096.

The previous prime is 149254901. The next prime is 149254913. The reversal of 149254907 is 709452941.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (149254901) and next prime (149254913).

It is a cyclic number.

It is not a de Polignac number, because 149254907 - 2¹⁶ = 149189371 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 (149254901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320057 + ... + 320522.

It is an arithmetic number, because the mean of its divisors is an integer number (37473930).

Almost surely, 2^149254907 is an apocalyptic number.

149254907 is a deficient number, since it is larger than the sum of its proper divisors (640813).

149254907 is an equidigital number, since it uses as much as digits as its factorization.

149254907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640812.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 149254907 is about 12216.9925513606. The cubic root of 149254907 is about 530.4480689361.

The spelling of 149254907 in words is "one hundred forty-nine million, two hundred fifty-four thousand, nine hundred seven".