1025236145 has 16 divisors (see below), whose sum is σ = 1290428928. Its totient is φ = 781035840.

The previous prime is 1025236141. The next prime is 1025236151. The reversal of 1025236145 is 5416325201.

It is not a de Polignac number, because 1025236145 - 2² = 1025236141 is a prime.

It is a super-2 number, since 2×1025236145² = 2102218306028922050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025236141) 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, 50261 + ... + 67650.

It is an arithmetic number, because the mean of its divisors is an integer number (80651808).

Almost surely, 2^1025236145 is an apocalyptic number.

It is an amenable number.

1025236145 is a deficient number, since it is larger than the sum of its proper divisors (265192783).

1025236145 is a wasteful number, since it uses less digits than its factorization.

1025236145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118000.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1025236145 is about 32019.3089400755. The cubic root of 1025236145 is about 1008.3422614847.

The spelling of 1025236145 in words is "one billion, twenty-five million, two hundred thirty-six thousand, one hundred forty-five".