1023145534445 has 16 divisors (see below), whose sum is σ = 1230418350000. Its totient is φ = 816754564608.

The previous prime is 1023145534423. The next prime is 1023145534457. The reversal of 1023145534445 is 5444355413201.

It can be written as a sum of positive squares in 8 ways, for example, as 279103003204 + 744042531241 = 528302^2 + 862579^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023145534445 - 2¹⁸ = 1023145272301 is a prime.

It is a Curzon number.

It is a congruent number.

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, 14596241 + ... + 14666169.

It is an arithmetic number, because the mean of its divisors is an integer number (76901146875).

Almost surely, 2^{1023145534445} is an apocalyptic number.

It is an amenable number.

1023145534445 is a deficient number, since it is larger than the sum of its proper divisors (207272815555).

1023145534445 is an equidigital number, since it uses as much as digits as its factorization.

1023145534445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76192.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 1023145534445 in words is "one trillion, twenty-three billion, one hundred forty-five million, five hundred thirty-four thousand, four hundred forty-five".