145415421021302 has 16 divisors (see below), whose sum is σ = 222054051309552. Its totient is φ = 71408847644160.

The previous prime is 145415421021289. The next prime is 145415421021323. The reversal of 145415421021302 is 203120124514541.

It is a super-2 number, since 2×145415421021302² (a number of 29 digits) contains 22 as substring.

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, 2860905983 + ... + 2860956810.

It is an arithmetic number, because the mean of its divisors is an integer number (13878378206847).

Almost surely, 2^{145415421021302} is an apocalyptic number.

145415421021302 is a deficient number, since it is larger than the sum of its proper divisors (76638630288250).

145415421021302 is a wasteful number, since it uses less digits than its factorization.

145415421021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721863023.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 145415421021302 its reverse (203120124514541), we get a palindrome (348535545535843).

The spelling of 145415421021302 in words is "one hundred forty-five trillion, four hundred fifteen billion, four hundred twenty-one million, twenty-one thousand, three hundred two".