149643045423 has 6 divisors (see below), whose sum is σ = 216151065624. Its totient is φ = 99762030276.

The previous prime is 149643045413. The next prime is 149643045427. The reversal of 149643045423 is 324540346941.

149643045423 is a `hidden beast` number, since 1 + 49 + 64 + 3 + 0 + 4 + 542 + 3 = 666.

It is not a de Polignac number, because 149643045423 - 2⁴ = 149643045407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149643045427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8313502515 + ... + 8313502532.

It is an arithmetic number, because the mean of its divisors is an integer number (36025177604).

Almost surely, 2^149643045423 is an apocalyptic number.

149643045423 is a deficient number, since it is larger than the sum of its proper divisors (66508020201).

149643045423 is a wasteful number, since it uses less digits than its factorization.

149643045423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16627005053 (or 16627005050 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 149643045423 in words is "one hundred forty-nine billion, six hundred forty-three million, forty-five thousand, four hundred twenty-three".