149946298441 has 9 divisors (see below), whose sum is σ = 150429952309. Its totient is φ = 149464198336.

The previous prime is 149946298433. The next prime is 149946298477. The reversal of 149946298441 is 144892649941.

The square root of 149946298441 is 387229.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4098688441 + 145847610000 = 64021^2 + 381900^2 .

It is not a de Polignac number, because 149946298441 - 2³ = 149946298433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149946298441.

It is not an unprimeable number, because it can be changed into a prime (149946268441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 229626471 + ... + 229627123.

Almost surely, 2^149946298441 is an apocalyptic number.

149946298441 is the 387229-th square number.

149946298441 is the 193615-th centered octagonal number.

It is an amenable number.

149946298441 is a deficient number, since it is larger than the sum of its proper divisors (483653868).

149946298441 is an frugal number, since it uses more digits than its factorization.

149946298441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492 (or 1246 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 61.

The spelling of 149946298441 in words is "one hundred forty-nine billion, nine hundred forty-six million, two hundred ninety-eight thousand, four hundred forty-one".