149723119 has 32 divisors (see below), whose sum is σ = 191245824. Its totient is φ = 114065280.

The previous prime is 149723117. The next prime is 149723129. The reversal of 149723119 is 911327941.

It is not a de Polignac number, because 149723119 - 2¹ = 149723117 is a prime.

It is a super-2 number, since 2×149723119² = 44834024726176322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149723111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324549 + ... + 325009.

It is an arithmetic number, because the mean of its divisors is an integer number (5976432).

Almost surely, 2^149723119 is an apocalyptic number.

149723119 is a deficient number, since it is larger than the sum of its proper divisors (41522705).

149723119 is a wasteful number, since it uses less digits than its factorization.

149723119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607.

The product of its digits is 13608, while the sum is 37.

The square root of 149723119 is about 12236.1398733424. The cubic root of 149723119 is about 531.0021610466.

The spelling of 149723119 in words is "one hundred forty-nine million, seven hundred twenty-three thousand, one hundred nineteen".