145452510413 has 4 divisors (see below), whose sum is σ = 166231440480. Its totient is φ = 124673580348.

The previous prime is 145452510389. The next prime is 145452510431. The reversal of 145452510413 is 314015254541.

It is a happy number.

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 145452510413 - 2⁶ = 145452510349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145452510443) 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, 10389465023 + ... + 10389465036.

It is an arithmetic number, because the mean of its divisors is an integer number (41557860120).

Almost surely, 2^145452510413 is an apocalyptic number.

It is an amenable number.

145452510413 is a deficient number, since it is larger than the sum of its proper divisors (20778930067).

145452510413 is an equidigital number, since it uses as much as digits as its factorization.

145452510413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20778930066.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 145452510413 its reverse (314015254541), we get a palindrome (459467764954).

The spelling of 145452510413 in words is "one hundred forty-five billion, four hundred fifty-two million, five hundred ten thousand, four hundred thirteen".