145276415 has 8 divisors (see below), whose sum is σ = 176129520. Its totient is φ = 115022592.

The previous prime is 145276387. The next prime is 145276459. The reversal of 145276415 is 514672541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145276415 is a prime.

It is a super-2 number, since 2×145276415² = 42210473510504450, 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 7 ways as a sum of consecutive naturals, for example, 149285 + ... + 150254.

It is an arithmetic number, because the mean of its divisors is an integer number (22016190).

Almost surely, 2^145276415 is an apocalyptic number.

145276415 is a deficient number, since it is larger than the sum of its proper divisors (30853105).

145276415 is an equidigital number, since it uses as much as digits as its factorization.

145276415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299641.

The product of its digits is 33600, while the sum is 35.

The square root of 145276415 is about 12053.0666222335. The cubic root of 145276415 is about 525.6924076413.

The spelling of 145276415 in words is "one hundred forty-five million, two hundred seventy-six thousand, four hundred fifteen".