149695842 has 16 divisors (see below), whose sum is σ = 299838240. Its totient is φ = 49824192.

The previous prime is 149695841. The next prime is 149695853. The reversal of 149695842 is 248596941.

It is a super-2 number, since 2×149695842² = 44817690224177928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149695791 and 149695800.

It is not an unprimeable number, because it can be changed into a prime (149695841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14167 + ... + 22362.

It is an arithmetic number, because the mean of its divisors is an integer number (18739890).

Almost surely, 2^149695842 is an apocalyptic number.

149695842 is an abundant number, since it is smaller than the sum of its proper divisors (150142398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149695842 is a wasteful number, since it uses less digits than its factorization.

149695842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37217.

The product of its digits is 622080, while the sum is 48.

The square root of 149695842 is about 12235.0252145224. The cubic root of 149695842 is about 530.9699125741.

The spelling of 149695842 in words is "one hundred forty-nine million, six hundred ninety-five thousand, eight hundred forty-two".