149915981294 has 8 divisors (see below), whose sum is σ = 224875614960. Its totient is φ = 74957442976.

The previous prime is 149915981287. The next prime is 149915981297. The reversal of 149915981294 is 492189519941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149915981297) 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, 397487 + ... + 676629.

It is an arithmetic number, because the mean of its divisors is an integer number (28109451870).

Almost surely, 2^149915981294 is an apocalyptic number.

149915981294 is a deficient number, since it is larger than the sum of its proper divisors (74959633666).

149915981294 is a wasteful number, since it uses less digits than its factorization.

149915981294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547674.

The product of its digits is 8398080, while the sum is 62.

The spelling of 149915981294 in words is "one hundred forty-nine billion, nine hundred fifteen million, nine hundred eighty-one thousand, two hundred ninety-four".