149946742 has 16 divisors (see below), whose sum is σ = 245562192. Its totient is φ = 68103520.

The previous prime is 149946691. The next prime is 149946743. The reversal of 149946742 is 247649941.

It is a junction number, because it is equal to n+sod(n) for n = 149946692 and 149946701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149946743) by changing a digit.

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, 42228 + ... + 45640.

It is an arithmetic number, because the mean of its divisors is an integer number (15347637).

Almost surely, 2^149946742 is an apocalyptic number.

149946742 is a deficient number, since it is larger than the sum of its proper divisors (95615450).

149946742 is a wasteful number, since it uses less digits than its factorization.

149946742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423.

The product of its digits is 435456, while the sum is 46.

The square root of 149946742 is about 12245.2742721427. The cubic root of 149946742 is about 531.2663937363.

It can be divided in two parts, 14994 and 6742, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 149946742 in words is "one hundred forty-nine million, nine hundred forty-six thousand, seven hundred forty-two".