145551137044 has 6 divisors (see below), whose sum is σ = 254714489834. Its totient is φ = 72775568520.

The previous prime is 145551137027. The next prime is 145551137063. The reversal of 145551137044 is 440731155541.

It can be written as a sum of positive squares in only one way, i.e., 121653068944 + 23898068100 = 348788^2 + 154590^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145551136988 and 145551137006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18193892127 + ... + 18193892134.

Almost surely, 2^145551137044 is an apocalyptic number.

It is an amenable number.

145551137044 is a deficient number, since it is larger than the sum of its proper divisors (109163352790).

145551137044 is a wasteful number, since it uses less digits than its factorization.

145551137044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36387784265 (or 36387784263 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 145551137044 in words is "one hundred forty-five billion, five hundred fifty-one million, one hundred thirty-seven thousand, forty-four".