145402121336 has 16 divisors (see below), whose sum is σ = 272752539840. Its totient is φ = 72668110720.

The previous prime is 145402121329. The next prime is 145402121383. The reversal of 145402121336 is 633121204541.

It is a super-2 number, since 2×145402121336² (a number of 23 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4099985 + ... + 4135296.

It is an arithmetic number, because the mean of its divisors is an integer number (17047033740).

Almost surely, 2^145402121336 is an apocalyptic number.

It is an amenable number.

145402121336 is a deficient number, since it is larger than the sum of its proper divisors (127350418504).

145402121336 is a wasteful number, since it uses less digits than its factorization.

145402121336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8237494 (or 8237490 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 145402121336 its reverse (633121204541), we get a palindrome (778523325877).

The spelling of 145402121336 in words is "one hundred forty-five billion, four hundred two million, one hundred twenty-one thousand, three hundred thirty-six".