149013542 has 16 divisors (see below), whose sum is σ = 243399600. Its totient is φ = 68150880.

The previous prime is 149013539. The next prime is 149013587. The reversal of 149013542 is 245310941.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66509 + ... + 68712.

It is an arithmetic number, because the mean of its divisors is an integer number (15212475).

Almost surely, 2^149013542 is an apocalyptic number.

149013542 is a deficient number, since it is larger than the sum of its proper divisors (94386058).

149013542 is a wasteful number, since it uses less digits than its factorization.

149013542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135271.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 149013542 is about 12207.1103050640. The cubic root of 149013542 is about 530.1619796823.

The spelling of 149013542 in words is "one hundred forty-nine million, thirteen thousand, five hundred forty-two".