1023145541 has 8 divisors (see below), whose sum is σ = 1121451168. Its totient is φ = 925722000.

The previous prime is 1023145517. The next prime is 1023145559. The reversal of 1023145541 is 1455413201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023145541 - 2⁶ = 1023145477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023145541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023145241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218090 + ... + 222731.

It is an arithmetic number, because the mean of its divisors is an integer number (140181396).

Almost surely, 2^1023145541 is an apocalyptic number.

1023145541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1023145541 is a deficient number, since it is larger than the sum of its proper divisors (98305627).

1023145541 is a wasteful number, since it uses less digits than its factorization.

1023145541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441043.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1023145541 is about 31986.6462918512. The cubic root of 1023145541 is about 1007.6564101097.

Adding to 1023145541 its reverse (1455413201), we get a palindrome (2478558742).

The spelling of 1023145541 in words is "one billion, twenty-three million, one hundred forty-five thousand, five hundred forty-one".