149732225447 has 12 divisors (see below), whose sum is σ = 174286647360. Its totient is φ = 128262074976.

The previous prime is 149732225399. The next prime is 149732225519. The reversal of 149732225447 is 744522237941.

It is not a de Polignac number, because 149732225447 - 2²² = 149728031143 is a prime.

It is a super-2 number, since 2×149732225447² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149732225395 and 149732225404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149732225147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 870743 + ... + 1028424.

It is an arithmetic number, because the mean of its divisors is an integer number (14523887280).

Almost surely, 2^149732225447 is an apocalyptic number.

149732225447 is a deficient number, since it is larger than the sum of its proper divisors (24554421913).

149732225447 is a wasteful number, since it uses less digits than its factorization.

149732225447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900790 (or 1900783 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The spelling of 149732225447 in words is "one hundred forty-nine billion, seven hundred thirty-two million, two hundred twenty-five thousand, four hundred forty-seven".