145390301 has 12 divisors (see below), whose sum is σ = 169356348. Its totient is φ = 124451712.

The previous prime is 145390237. The next prime is 145390313. The reversal of 145390301 is 103093541.

It can be written as a sum of positive squares in 2 ways, for example, as 130188100 + 15202201 = 11410^2 + 3899^2 .

It is not a de Polignac number, because 145390301 - 2⁶ = 145390237 is a prime.

It is a super-2 number, since 2×145390301² = 42276679249741202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145390801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46355 + ... + 49391.

It is an arithmetic number, because the mean of its divisors is an integer number (14113029).

Almost surely, 2^145390301 is an apocalyptic number.

It is an amenable number.

145390301 is a deficient number, since it is larger than the sum of its proper divisors (23966047).

145390301 is an equidigital number, since it uses as much as digits as its factorization.

145390301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 145390301 is about 12057.7900545664. The cubic root of 145390301 is about 525.8297397931.

The spelling of 145390301 in words is "one hundred forty-five million, three hundred ninety thousand, three hundred one".