145276501 has 4 divisors (see below), whose sum is σ = 145396512. Its totient is φ = 145156492.

The previous prime is 145276499. The next prime is 145276507. The reversal of 145276501 is 105672541.

145276501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145276501 - 2¹ = 145276499 is a prime.

It is a super-2 number, since 2×145276501² = 42210523485606002, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145276507) 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, 58171 + ... + 60616.

It is an arithmetic number, because the mean of its divisors is an integer number (36349128).

Almost surely, 2^145276501 is an apocalyptic number.

It is an amenable number.

145276501 is a deficient number, since it is larger than the sum of its proper divisors (120011).

145276501 is a wasteful number, since it uses less digits than its factorization.

145276501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120010.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 145276501 is about 12053.0701897898. The cubic root of 145276501 is about 525.6925113735.

The spelling of 145276501 in words is "one hundred forty-five million, two hundred seventy-six thousand, five hundred one".