149498142 has 32 divisors (see below), whose sum is σ = 302227200. Its totient is φ = 49297920.

The previous prime is 149498131. The next prime is 149498147. The reversal of 149498142 is 241894941.

It is a happy number.

It is a super-2 number, since 2×149498142² = 44699388922904328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149498094 and 149498103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149498147) 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 15 ways as a sum of consecutive naturals, for example, 332734 + ... + 333182.

It is an arithmetic number, because the mean of its divisors is an integer number (9444600).

Almost surely, 2^149498142 is an apocalyptic number.

149498142 is an abundant number, since it is smaller than the sum of its proper divisors (152729058).

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

149498142 is a wasteful number, since it uses less digits than its factorization.

149498142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928.

The product of its digits is 82944, while the sum is 42.

The square root of 149498142 is about 12226.9432811312. The cubic root of 149498142 is about 530.7360628426.

The spelling of 149498142 in words is "one hundred forty-nine million, four hundred ninety-eight thousand, one hundred forty-two".