149344441431 has 16 divisors (see below), whose sum is σ = 211224697344. Its totient is φ = 93534989184.

The previous prime is 149344441403. The next prime is 149344441451. The reversal of 149344441431 is 134144443941.

It is not a de Polignac number, because 149344441431 - 2¹⁴ = 149344425047 is a prime.

It is a super-2 number, since 2×149344441431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149344441451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2648815 + ... + 2704608.

It is an arithmetic number, because the mean of its divisors is an integer number (13201543584).

Almost surely, 2^149344441431 is an apocalyptic number.

149344441431 is a deficient number, since it is larger than the sum of its proper divisors (61880255913).

149344441431 is a wasteful number, since it uses less digits than its factorization.

149344441431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353990.

The product of its digits is 331776, while the sum is 42.

The spelling of 149344441431 in words is "one hundred forty-nine billion, three hundred forty-four million, four hundred forty-one thousand, four hundred thirty-one".