145038901 has 8 divisors (see below), whose sum is σ = 166060800. Its totient is φ = 124092528.

The previous prime is 145038869. The next prime is 145038919. The reversal of 145038901 is 109830541.

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

It is not a de Polignac number, because 145038901 - 2⁵ = 145038869 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145038941) 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, 14701 + ... + 22498.

It is an arithmetic number, because the mean of its divisors is an integer number (20757600).

Almost surely, 2^145038901 is an apocalyptic number.

It is an amenable number.

145038901 is a deficient number, since it is larger than the sum of its proper divisors (21021899).

145038901 is an equidigital number, since it uses as much as digits as its factorization.

145038901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37763.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 145038901 is about 12043.2097465750. The cubic root of 145038901 is about 525.4057646167.

The spelling of 145038901 in words is "one hundred forty-five million, thirty-eight thousand, nine hundred one".