145114731 has 12 divisors (see below), whose sum is σ = 210676752. Its totient is φ = 96250896.

The previous prime is 145114687. The next prime is 145114741. The reversal of 145114731 is 137411541.

It is not a de Polignac number, because 145114731 - 2⁶ = 145114667 is a prime.

It is a super-2 number, since 2×145114731² = 42116570306404722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145114695 and 145114704.

It is not an unprimeable number, because it can be changed into a prime (145114741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39151 + ... + 42696.

It is an arithmetic number, because the mean of its divisors is an integer number (17556396).

Almost surely, 2^145114731 is an apocalyptic number.

145114731 is a deficient number, since it is larger than the sum of its proper divisors (65562021).

145114731 is a wasteful number, since it uses less digits than its factorization.

145114731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82050 (or 82047 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 145114731 is about 12046.3575822736. The cubic root of 145114731 is about 525.4973137976.

The spelling of 145114731 in words is "one hundred forty-five million, one hundred fourteen thousand, seven hundred thirty-one".