145446035461 has 4 divisors (see below), whose sum is σ = 146422183500. Its totient is φ = 144469887424.

The previous prime is 145446035429. The next prime is 145446035473. The reversal of 145446035461 is 164530644541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33344951236 + 112101084225 = 182606^2 + 334815^2 .

It is a cyclic number.

It is not a de Polignac number, because 145446035461 - 2⁵ = 145446035429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145446035491) 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, 488073796 + ... + 488074093.

It is an arithmetic number, because the mean of its divisors is an integer number (36605545875).

Almost surely, 2^145446035461 is an apocalyptic number.

It is an amenable number.

145446035461 is a deficient number, since it is larger than the sum of its proper divisors (976148039).

145446035461 is an equidigital number, since it uses as much as digits as its factorization.

145446035461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976148038.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 145446035461 in words is "one hundred forty-five billion, four hundred forty-six million, thirty-five thousand, four hundred sixty-one".