149383023001 has 3 divisors (see below), whose sum is σ = 149383409503. Its totient is φ = 149382636500.

The previous prime is 149383022951. The next prime is 149383023059. The reversal of 149383023001 is 100320383941.

The square root of 149383023001 is 386501.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 100320383941 = 127 ⋅789924283.

It can be written as a sum of positive squares in only one way, i.e., 278923401 + 149104099600 = 16701^2 + 386140^2 .

It is not a de Polignac number, because 149383023001 - 2²⁷ = 149248805273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149383023091) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 193251 + ... + 579751.

Almost surely, 2^149383023001 is an apocalyptic number.

149383023001 is the 386501-st square number.

149383023001 is the 193251-st centered octagonal number.

It is an amenable number.

149383023001 is a deficient number, since it is larger than the sum of its proper divisors (386502).

149383023001 is an frugal number, since it uses more digits than its factorization.

149383023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773002 (or 386501 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 149383023001 in words is "one hundred forty-nine billion, three hundred eighty-three million, twenty-three thousand, one".