149434045489 has 9 divisors (see below), whose sum is σ = 149917653291. Its totient is φ = 148951996440.

The previous prime is 149434045483. The next prime is 149434045517. The reversal of 149434045489 is 984540434941.

The square root of 149434045489 is 386567.

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., 148552430625 + 881614864 = 385425^2 + 29692^2 .

It is not a de Polignac number, because 149434045489 - 2²³ = 149425656881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149434045483) 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, 220729419 + ... + 220730095.

Almost surely, 2^149434045489 is an apocalyptic number.

149434045489 is the 386567-th square number.

149434045489 is the 193284-th centered octagonal number.

It is an amenable number.

149434045489 is a deficient number, since it is larger than the sum of its proper divisors (483607802).

149434045489 is an frugal number, since it uses more digits than its factorization.

149434045489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 149434045489 in words is "one hundred forty-nine billion, four hundred thirty-four million, forty-five thousand, four hundred eighty-nine".