149143426 has 8 divisors (see below), whose sum is σ = 235489680. Its totient is φ = 70646868.

The previous prime is 149143373. The next prime is 149143427. The reversal of 149143426 is 624341941.

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

It is a junction number, because it is equal to n+sod(n) for n = 149143391 and 149143400.

It is not an unprimeable number, because it can be changed into a prime (149143427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962376 + ... + 1962451.

It is an arithmetic number, because the mean of its divisors is an integer number (29436210).

Almost surely, 2^149143426 is an apocalyptic number.

149143426 is a deficient number, since it is larger than the sum of its proper divisors (86346254).

149143426 is a wasteful number, since it uses less digits than its factorization.

149143426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924848.

The product of its digits is 20736, while the sum is 34.

The square root of 149143426 is about 12212.4291604906. The cubic root of 149143426 is about 530.3159691805.

The spelling of 149143426 in words is "one hundred forty-nine million, one hundred forty-three thousand, four hundred twenty-six".