145040423052 has 48 divisors (see below), whose sum is σ = 387748793600. Its totient is φ = 41335728192.

The previous prime is 145040423039. The next prime is 145040423069. The reversal of 145040423052 is 250324040541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2141302 + ... + 2207997.

Almost surely, 2^145040423052 is an apocalyptic number.

145040423052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145040423052 is an abundant number, since it is smaller than the sum of its proper divisors (242708370548).

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

145040423052 is a wasteful number, since it uses less digits than its factorization.

145040423052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349710 (or 4349708 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 145040423052 its reverse (250324040541), we get a palindrome (395364463593).

The spelling of 145040423052 in words is "one hundred forty-five billion, forty million, four hundred twenty-three thousand, fifty-two".