145206651 has 8 divisors (see below), whose sum is σ = 193818384. Its totient is φ = 96699680.

The previous prime is 145206623. The next prime is 145206653. The reversal of 145206651 is 156602541.

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 145206651 - 2¹⁸ = 144944507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145206653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22896 + ... + 28541.

It is an arithmetic number, because the mean of its divisors is an integer number (24227298).

Almost surely, 2^145206651 is an apocalyptic number.

145206651 is a deficient number, since it is larger than the sum of its proper divisors (48611733).

145206651 is an equidigital number, since it uses as much as digits as its factorization.

145206651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52381.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 145206651 is about 12050.1722394329. The cubic root of 145206651 is about 525.6082456039.

The spelling of 145206651 in words is "one hundred forty-five million, two hundred six thousand, six hundred fifty-one".