149725743 has 8 divisors (see below), whose sum is σ = 199710000. Its totient is φ = 99779328.

The previous prime is 149725739. The next prime is 149725759. The reversal of 149725743 is 347527941.

149725743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149725743 - 2² = 149725739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149725695 and 149725704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149725943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633 + ... + 17381.

It is an arithmetic number, because the mean of its divisors is an integer number (24963750).

Almost surely, 2^149725743 is an apocalyptic number.

149725743 is a deficient number, since it is larger than the sum of its proper divisors (49984257).

149725743 is a wasteful number, since it uses less digits than its factorization.

149725743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18921.

The product of its digits is 211680, while the sum is 42.

The square root of 149725743 is about 12236.2470962301. The cubic root of 149725743 is about 531.0052630871.

The spelling of 149725743 in words is "one hundred forty-nine million, seven hundred twenty-five thousand, seven hundred forty-three".