149299425 has 72 divisors (see below), whose sum is σ = 294222240. Its totient is φ = 71769600.

The previous prime is 149299411. The next prime is 149299429. The reversal of 149299425 is 524992941.

It is not a de Polignac number, because 149299425 - 2¹⁵ = 149266657 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (149299429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 442857 + ... + 443193.

It is an arithmetic number, because the mean of its divisors is an integer number (4086420).

Almost surely, 2^149299425 is an apocalyptic number.

149299425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149299425 is a deficient number, since it is larger than the sum of its proper divisors (144922815).

149299425 is a wasteful number, since it uses less digits than its factorization.

149299425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 535 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 149299425 is about 12218.8143860196. The cubic root of 149299425 is about 530.5008022994.

The spelling of 149299425 in words is "one hundred forty-nine million, two hundred ninety-nine thousand, four hundred twenty-five".