145540154542 has 16 divisors (see below), whose sum is σ = 218521785600. Its totient is φ = 72699590880.

The previous prime is 145540154519. The next prime is 145540154581. The reversal of 145540154542 is 245451045541.

145540154542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145540154495 and 145540154504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17262384 + ... + 17270812.

It is an arithmetic number, because the mean of its divisors is an integer number (13657611600).

Almost surely, 2^145540154542 is an apocalyptic number.

145540154542 is a deficient number, since it is larger than the sum of its proper divisors (72981631058).

145540154542 is a wasteful number, since it uses less digits than its factorization.

145540154542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771.

The product of its (nonzero) digits is 320000, while the sum is 40.

The spelling of 145540154542 in words is "one hundred forty-five billion, five hundred forty million, one hundred fifty-four thousand, five hundred forty-two".