145212211499 has 8 divisors (see below), whose sum is σ = 151805883552. Its totient is φ = 138641880960.

The previous prime is 145212211493. The next prime is 145212211561. The reversal of 145212211499 is 994112212541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145212211499 - 2⁴ = 145212211483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145212211493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5822654 + ... + 5847539.

It is an arithmetic number, because the mean of its divisors is an integer number (18975735444).

Almost surely, 2^145212211499 is an apocalyptic number.

145212211499 is a deficient number, since it is larger than the sum of its proper divisors (6593672053).

145212211499 is a wasteful number, since it uses less digits than its factorization.

145212211499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11670757.

The product of its digits is 51840, while the sum is 41.

The spelling of 145212211499 in words is "one hundred forty-five billion, two hundred twelve million, two hundred eleven thousand, four hundred ninety-nine".