149001842 has 16 divisors (see below), whose sum is σ = 246564000. Its totient is φ = 66966240.

The previous prime is 149001823. The next prime is 149001851. The reversal of 149001842 is 248100941.

It is an unprimeable number.

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, 36092 + ... + 40007.

It is an arithmetic number, because the mean of its divisors is an integer number (15410250).

Almost surely, 2^149001842 is an apocalyptic number.

149001842 is a deficient number, since it is larger than the sum of its proper divisors (97562158).

149001842 is a wasteful number, since it uses less digits than its factorization.

149001842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76201.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 149001842 is about 12206.6310667604. The cubic root of 149001842 is about 530.1481038572.

Subtracting 149001842 from its reverse (248100941), we obtain a palindrome (99099099).

The spelling of 149001842 in words is "one hundred forty-nine million, one thousand, eight hundred forty-two".