145514651 has 8 divisors (see below), whose sum is σ = 150571008. Its totient is φ = 140481000.

The previous prime is 145514573. The next prime is 145514653. The reversal of 145514651 is 156415541.

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 145514651 - 2¹⁸ = 145252507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145514653) 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, 7916 + ... + 18806.

It is an arithmetic number, because the mean of its divisors is an integer number (18821376).

Almost surely, 2^145514651 is an apocalyptic number.

145514651 is a deficient number, since it is larger than the sum of its proper divisors (5056357).

145514651 is a wasteful number, since it uses less digits than its factorization.

145514651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11353.

The product of its digits is 12000, while the sum is 32.

The square root of 145514651 is about 12062.9453700164. The cubic root of 145514651 is about 525.9796083311.

The spelling of 145514651 in words is "one hundred forty-five million, five hundred fourteen thousand, six hundred fifty-one".