145310641 has 4 divisors (see below), whose sum is σ = 166069312. Its totient is φ = 124551972.

The previous prime is 145310629. The next prime is 145310647. The reversal of 145310641 is 146013541.

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 145310641 - 2⁷ = 145310513 is a prime.

It is a super-2 number, since 2×145310641² = 42230364775661762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145310647) 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, 10379325 + ... + 10379338.

It is an arithmetic number, because the mean of its divisors is an integer number (41517328).

Almost surely, 2^145310641 is an apocalyptic number.

It is an amenable number.

145310641 is a deficient number, since it is larger than the sum of its proper divisors (20758671).

145310641 is an equidigital number, since it uses as much as digits as its factorization.

145310641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20758670.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 145310641 is about 12054.4863432666. The cubic root of 145310641 is about 525.7336874218.

The spelling of 145310641 in words is "one hundred forty-five million, three hundred ten thousand, six hundred forty-one".