149478034706641 has 27 divisors (see below), whose sum is σ = 154973742886683. Its totient is φ = 144172375011360.

The previous prime is 149478034706639. The next prime is 149478034706647. The reversal of 149478034706641 is 146607430874941.

The square root of 149478034706641 is 12226121.

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

It can be written as a sum of positive squares in only one way, i.e., 129277468500625 + 20200566206016 = 11370025^2 + 4494504^2 .

It is not a de Polignac number, because 149478034706641 - 2¹ = 149478034706639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149478034706647) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 173207455776 + ... + 173207456638.

Almost surely, 2^{149478034706641} is an apocalyptic number.

149478034706641 is the 12226121-st square number.

149478034706641 is the 6113061-st centered octagonal number.

It is an amenable number.

149478034706641 is a deficient number, since it is larger than the sum of its proper divisors (5495708180042).

149478034706641 is an frugal number, since it uses more digits than its factorization.

149478034706641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 149478034706641 in words is "one hundred forty-nine trillion, four hundred seventy-eight billion, thirty-four million, seven hundred six thousand, six hundred forty-one".