145315505242102 has 16 divisors (see below), whose sum is σ = 234740813266512. Its totient is φ = 67068585663840.

The previous prime is 145315505242097. The next prime is 145315505242133. The reversal of 145315505242102 is 201242505513541.

It is a super-2 number, since 2×145315505242102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13035028 + ... + 21460264.

It is an arithmetic number, because the mean of its divisors is an integer number (14671300829157).

Almost surely, 2^{145315505242102} is an apocalyptic number.

145315505242102 is a deficient number, since it is larger than the sum of its proper divisors (89425308024410).

145315505242102 is a wasteful number, since it uses less digits than its factorization.

145315505242102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9088623.

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 145315505242102 in words is "one hundred forty-five trillion, three hundred fifteen billion, five hundred five million, two hundred forty-two thousand, one hundred two".