145201512545541 has 32 divisors (see below), whose sum is σ = 219578169133440. Its totient is φ = 94805462102400.

The previous prime is 145201512545527. The next prime is 145201512545563. The reversal of 145201512545541 is 145545215102541.

145201512545541 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 0 + 1 + 51 + 2 + 54 + 5 + 541 = 666.

It is not a de Polignac number, because 145201512545541 - 2¹⁸ = 145201512283397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145201512545591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188803395 + ... + 189570896.

It is an arithmetic number, because the mean of its divisors is an integer number (6861817785420).

Almost surely, 2^{145201512545541} is an apocalyptic number.

It is an amenable number.

145201512545541 is a deficient number, since it is larger than the sum of its proper divisors (74376656587899).

145201512545541 is a wasteful number, since it uses less digits than its factorization.

145201512545541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378374594 (or 378374588 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 45.

The spelling of 145201512545541 in words is "one hundred forty-five trillion, two hundred one billion, five hundred twelve million, five hundred forty-five thousand, five hundred forty-one".