149142506773 has 16 divisors (see below), whose sum is σ = 161033333440. Its totient is φ = 137311905024.

The previous prime is 149142506753. The next prime is 149142506803. The reversal of 149142506773 is 377605241941.

It is a cyclic number.

It is not a de Polignac number, because 149142506773 - 2²⁵ = 149108952341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149142506713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8425390 + ... + 8443072.

It is an arithmetic number, because the mean of its divisors is an integer number (10064583340).

Almost surely, 2^149142506773 is an apocalyptic number.

149142506773 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

149142506773 is a deficient number, since it is larger than the sum of its proper divisors (11890826667).

149142506773 is a wasteful number, since it uses less digits than its factorization.

149142506773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19348.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 149142506773 in words is "one hundred forty-nine billion, one hundred forty-two million, five hundred six thousand, seven hundred seventy-three".