145846690818 has 32 divisors (see below), whose sum is σ = 310745030400. Its totient is φ = 45501944976.

The previous prime is 145846690817. The next prime is 145846690859. The reversal of 145846690818 is 818096648541.

It is a happy number.

It is a super-2 number, since 2×145846690818² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145846690811) 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, 7697508 + ... + 7716431.

It is an arithmetic number, because the mean of its divisors is an integer number (9710782200).

Almost surely, 2^145846690818 is an apocalyptic number.

145846690818 is an abundant number, since it is smaller than the sum of its proper divisors (164898339582).

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

145846690818 is a wasteful number, since it uses less digits than its factorization.

145846690818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414046.

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 145846690818 in words is "one hundred forty-five billion, eight hundred forty-six million, six hundred ninety thousand, eight hundred eighteen".