149870158 has 4 divisors (see below), whose sum is σ = 224805240. Its totient is φ = 74935078.

The previous prime is 149870153. The next prime is 149870177. The reversal of 149870158 is 851078941.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×149870158² = 44922128517889928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149870153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37467538 + ... + 37467541.

It is an arithmetic number, because the mean of its divisors is an integer number (56201310).

Almost surely, 2^149870158 is an apocalyptic number.

149870158 is a deficient number, since it is larger than the sum of its proper divisors (74935082).

149870158 is an equidigital number, since it uses as much as digits as its factorization.

149870158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74935081.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 149870158 is about 12242.1467888602. The cubic root of 149870158 is about 531.1759317637.

The spelling of 149870158 in words is "one hundred forty-nine million, eight hundred seventy thousand, one hundred fifty-eight".