145451212533 has 12 divisors (see below), whose sum is σ = 229195850208. Its totient is φ = 88152249960.

The previous prime is 145451212519. The next prime is 145451212559. The reversal of 145451212533 is 335212154541.

145451212533 is a `hidden beast` number, since 1 + 4 + 54 + 51 + 21 + 2 + 533 = 666.

It is not a de Polignac number, because 145451212533 - 2⁹ = 145451212021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145451212573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 734601985 + ... + 734602182.

It is an arithmetic number, because the mean of its divisors is an integer number (19099654184).

Almost surely, 2^145451212533 is an apocalyptic number.

It is an amenable number.

145451212533 is a deficient number, since it is larger than the sum of its proper divisors (83744637675).

145451212533 is a wasteful number, since it uses less digits than its factorization.

145451212533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469204184 (or 1469204181 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 145451212533 in words is "one hundred forty-five billion, four hundred fifty-one million, two hundred twelve thousand, five hundred thirty-three".