145304965 has 16 divisors (see below), whose sum is σ = 191778048. Its totient is φ = 105016896.

The previous prime is 145304953. The next prime is 145304981. The reversal of 145304965 is 569403541.

It is a cyclic number.

It is not a de Polignac number, because 145304965 - 2¹⁷ = 145173893 is a prime.

It is a super-2 number, since 2×145304965² = 42227065707302450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20727 + ... + 26836.

It is an arithmetic number, because the mean of its divisors is an integer number (11986128).

Almost surely, 2^145304965 is an apocalyptic number.

It is an amenable number.

145304965 is a deficient number, since it is larger than the sum of its proper divisors (46473083).

145304965 is a wasteful number, since it uses less digits than its factorization.

145304965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47628.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 145304965 is about 12054.2509099487. The cubic root of 145304965 is about 525.7268420794.

The spelling of 145304965 in words is "one hundred forty-five million, three hundred four thousand, nine hundred sixty-five".