145570740481 has 4 divisors (see below), whose sum is σ = 146716966912. Its totient is φ = 144424514052.

The previous prime is 145570740443. The next prime is 145570740517. The reversal of 145570740481 is 184047075541.

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 145570740481 - 2⁷ = 145570740353 is a prime.

It is a super-2 number, since 2×145570740481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145570740281) 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, 573113025 + ... + 573113278.

It is an arithmetic number, because the mean of its divisors is an integer number (36679241728).

Almost surely, 2^145570740481 is an apocalyptic number.

It is an amenable number.

145570740481 is a deficient number, since it is larger than the sum of its proper divisors (1146226431).

145570740481 is a wasteful number, since it uses less digits than its factorization.

145570740481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146226430.

The product of its (nonzero) digits is 627200, while the sum is 46.

The spelling of 145570740481 in words is "one hundred forty-five billion, five hundred seventy million, seven hundred forty thousand, four hundred eighty-one".