145039651 has 8 divisors (see below), whose sum is σ = 148024800. Its totient is φ = 142084800.

The previous prime is 145039649. The next prime is 145039691. The reversal of 145039651 is 156930541.

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 145039651 - 2¹ = 145039649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145039691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2226 + ... + 17176.

It is an arithmetic number, because the mean of its divisors is an integer number (18503100).

Almost surely, 2^145039651 is an apocalyptic number.

145039651 is a deficient number, since it is larger than the sum of its proper divisors (2985149).

145039651 is a wasteful number, since it uses less digits than its factorization.

145039651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15149.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 145039651 is about 12043.2408844131. The cubic root of 145039651 is about 525.4066702442.

The spelling of 145039651 in words is "one hundred forty-five million, thirty-nine thousand, six hundred fifty-one".