145036139 has 8 divisors (see below), whose sum is σ = 153008640. Its totient is φ = 137097576.

The previous prime is 145036127. The next prime is 145036141. The reversal of 145036139 is 931630541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145036139 - 2⁴ = 145036123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145036169) 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 7 ways as a sum of consecutive naturals, for example, 554 + ... + 17040.

It is an arithmetic number, because the mean of its divisors is an integer number (19126080).

Almost surely, 2^145036139 is an apocalyptic number.

145036139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

145036139 is a deficient number, since it is larger than the sum of its proper divisors (7972501).

145036139 is a wasteful number, since it uses less digits than its factorization.

145036139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16969.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 145036139 is about 12043.0950756025. The cubic root of 145036139 is about 525.4024294656.

The spelling of 145036139 in words is "one hundred forty-five million, thirty-six thousand, one hundred thirty-nine".