145580351 has 4 divisors (see below), whose sum is σ = 166377552. Its totient is φ = 124783152.

The previous prime is 145580339. The next prime is 145580411. The reversal of 145580351 is 153085541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145580351 - 2⁶ = 145580287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145580051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10398590 + ... + 10398603.

It is an arithmetic number, because the mean of its divisors is an integer number (41594388).

Almost surely, 2^145580351 is an apocalyptic number.

145580351 is a deficient number, since it is larger than the sum of its proper divisors (20797201).

145580351 is an equidigital number, since it uses as much as digits as its factorization.

145580351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20797200.

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

The square root of 145580351 is about 12065.6682782182. The cubic root of 145580351 is about 526.0587565143.

The spelling of 145580351 in words is "one hundred forty-five million, five hundred eighty thousand, three hundred fifty-one".