145955830819 has 8 divisors (see below), whose sum is σ = 157160815920. Its totient is φ = 135041884416.

The previous prime is 145955830781. The next prime is 145955830831. The reversal of 145955830819 is 918038559541.

It is a happy number.

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 145955830819 - 2¹³ = 145955822627 is a prime.

It is a super-2 number, since 2×145955830819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145955830859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72758634 + ... + 72760639.

It is an arithmetic number, because the mean of its divisors is an integer number (19645101990).

Almost surely, 2^145955830819 is an apocalyptic number.

145955830819 is a deficient number, since it is larger than the sum of its proper divisors (11204985101).

145955830819 is a wasteful number, since it uses less digits than its factorization.

145955830819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145519349.

The product of its (nonzero) digits is 7776000, while the sum is 58.

The spelling of 145955830819 in words is "one hundred forty-five billion, nine hundred fifty-five million, eight hundred thirty thousand, eight hundred nineteen".