149350749 has 4 divisors (see below), whose sum is σ = 199134336. Its totient is φ = 99567164.

The previous prime is 149350717. The next prime is 149350757. The reversal of 149350749 is 947053941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149350749 - 2⁵ = 149350717 is a prime.

It is a super-2 number, since 2×149350749² = 44611292453722002, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149350749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149350709) 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, 24891789 + ... + 24891794.

It is an arithmetic number, because the mean of its divisors is an integer number (49783584).

Almost surely, 2^149350749 is an apocalyptic number.

It is an amenable number.

149350749 is a deficient number, since it is larger than the sum of its proper divisors (49783587).

149350749 is an equidigital number, since it uses as much as digits as its factorization.

149350749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49783586.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 149350749 is about 12220.9144093231. The cubic root of 149350749 is about 530.5615846363.

The spelling of 149350749 in words is "one hundred forty-nine million, three hundred fifty thousand, seven hundred forty-nine".