149732741 has 4 divisors (see below), whose sum is σ = 152918592. Its totient is φ = 146546892.

The previous prime is 149732689. The next prime is 149732743. The reversal of 149732741 is 147237941.

It is a happy number.

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 149732741 - 2⁶ = 149732677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149732695 and 149732704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149732743) 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, 1592855 + ... + 1592948.

It is an arithmetic number, because the mean of its divisors is an integer number (38229648).

Almost surely, 2^149732741 is an apocalyptic number.

It is an amenable number.

149732741 is a deficient number, since it is larger than the sum of its proper divisors (3185851).

149732741 is an equidigital number, since it uses as much as digits as its factorization.

149732741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185850.

The product of its digits is 42336, while the sum is 38.

The square root of 149732741 is about 12236.5330465782. The cubic root of 149732741 is about 531.0135358059.

The spelling of 149732741 in words is "one hundred forty-nine million, seven hundred thirty-two thousand, seven hundred forty-one".