149344497757 has 36 divisors (see below), whose sum is σ = 188670921120. Its totient is φ = 118160432208.

The previous prime is 149344497721. The next prime is 149344497787. The reversal of 149344497757 is 757794443941.

It is not a de Polignac number, because 149344497757 - 2¹¹ = 149344495709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149344497787) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2814094 + ... + 2866672.

It is an arithmetic number, because the mean of its divisors is an integer number (5240858920).

Almost surely, 2^149344497757 is an apocalyptic number.

It is an amenable number.

149344497757 is a deficient number, since it is larger than the sum of its proper divisors (39326423363).

149344497757 is an frugal number, since it uses more digits than its factorization.

149344497757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52640 (or 52599 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 64.

The spelling of 149344497757 in words is "one hundred forty-nine billion, three hundred forty-four million, four hundred ninety-seven thousand, seven hundred fifty-seven".