145040330461 has 8 divisors (see below), whose sum is σ = 156200446584. Its totient is φ = 133880666880.

The previous prime is 145040330399. The next prime is 145040330467. The reversal of 145040330461 is 164033040541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55283765625 + 89756564836 = 235125^2 + 299594^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145040330461 - 2²¹ = 145038233309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145040330467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867201 + ... + 1020841.

It is an arithmetic number, because the mean of its divisors is an integer number (19525055823).

Almost surely, 2^145040330461 is an apocalyptic number.

It is an amenable number.

145040330461 is a deficient number, since it is larger than the sum of its proper divisors (11160116123).

145040330461 is a wasteful number, since it uses less digits than its factorization.

145040330461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226271.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 145040330461 in words is "one hundred forty-five billion, forty million, three hundred thirty thousand, four hundred sixty-one".