102045441 has 16 divisors (see below), whose sum is σ = 145347264. Its totient is φ = 63458304.

The previous prime is 102045401. The next prime is 102045443. The reversal of 102045441 is 144540201.

It is a happy number.

It is not a de Polignac number, because 102045441 - 2¹⁹ = 101521153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102045443) 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, 3091 + ... + 14616.

It is an arithmetic number, because the mean of its divisors is an integer number (9084204).

Almost surely, 2^102045441 is an apocalyptic number.

It is an amenable number.

102045441 is a deficient number, since it is larger than the sum of its proper divisors (43301823).

102045441 is a wasteful number, since it uses less digits than its factorization.

102045441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17840.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 102045441 is about 10101.7543525865. The cubic root of 102045441 is about 467.3022466162.

Adding to 102045441 its reverse (144540201), we get a palindrome (246585642).

The spelling of 102045441 in words is "one hundred two million, forty-five thousand, four hundred forty-one".