145521451120242 has 32 divisors (see below), whose sum is σ = 302005867806720. Its totient is φ = 46711766157840.

The previous prime is 145521451120237. The next prime is 145521451120247. The reversal of 145521451120242 is 242021154125541.

145521451120242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145521451120237) and next prime (145521451120247).

It is a super-2 number, since 2×145521451120242² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145521451120242.

It is not an unprimeable number, because it can be changed into a prime (145521451120247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3972070642 + ... + 3972107277.

It is an arithmetic number, because the mean of its divisors is an integer number (9437683368960).

Almost surely, 2^{145521451120242} is an apocalyptic number.

145521451120242 is an abundant number, since it is smaller than the sum of its proper divisors (156484416686478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145521451120242 is a wasteful number, since it uses less digits than its factorization.

145521451120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944178038.

The product of its (nonzero) digits is 128000, while the sum is 39.

The spelling of 145521451120242 in words is "one hundred forty-five trillion, five hundred twenty-one billion, four hundred fifty-one million, one hundred twenty thousand, two hundred forty-two".