2045142125 has 64 divisors (see below), whose sum is σ = 2830464000. Its totient is φ = 1466150400.

The previous prime is 2045142101. The next prime is 2045142173. The reversal of 2045142125 is 5212415402.

It is not a de Polignac number, because 2045142125 - 2¹⁴ = 2045125741 is a prime.

It is a super-2 number, since 2×2045142125² = 8365212622899031250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2045142094 and 2045142103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11425286 + ... + 11425464.

It is an arithmetic number, because the mean of its divisors is an integer number (44226000).

Almost surely, 2^2045142125 is an apocalyptic number.

2045142125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2045142125 is a deficient number, since it is larger than the sum of its proper divisors (785321875).

2045142125 is a wasteful number, since it uses less digits than its factorization.

2045142125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2045142125 is about 45223.2476166849. The cubic root of 2045142125 is about 1269.3298642815.

Adding to 2045142125 its reverse (5212415402), we get a palindrome (7257557527).

The spelling of 2045142125 in words is "two billion, forty-five million, one hundred forty-two thousand, one hundred twenty-five".