145262665 has 32 divisors (see below), whose sum is σ = 184757760. Its totient is φ = 109534464.

The previous prime is 145262659. The next prime is 145262681. The reversal of 145262665 is 566262541.

It is not a de Polignac number, because 145262665 - 2⁹ = 145262153 is a prime.

It is a super-2 number, since 2×145262665² = 42202483685804450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1332631 + ... + 1332739.

It is an arithmetic number, because the mean of its divisors is an integer number (5773680).

Almost surely, 2^145262665 is an apocalyptic number.

It is an amenable number.

145262665 is a deficient number, since it is larger than the sum of its proper divisors (39495095).

145262665 is a wasteful number, since it uses less digits than its factorization.

145262665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its digits is 86400, while the sum is 37.

The square root of 145262665 is about 12052.4962144777. The cubic root of 145262665 is about 525.6758220203.

The spelling of 145262665 in words is "one hundred forty-five million, two hundred sixty-two thousand, six hundred sixty-five".