1541664245 has 16 divisors (see below), whose sum is σ = 2022357888. Its totient is φ = 1118888640.

The previous prime is 1541664233. The next prime is 1541664259. The reversal of 1541664245 is 5424661451.

It is a happy number.

It is not a de Polignac number, because 1541664245 - 2¹² = 1541660149 is a prime.

It is a super-2 number, since 2×1541664245² = 4753457288622840050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1541664199 and 1541664208.

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, 1994 + ... + 55563.

It is an arithmetic number, because the mean of its divisors is an integer number (126397368).

Almost surely, 2^1541664245 is an apocalyptic number.

It is an amenable number.

1541664245 is a deficient number, since it is larger than the sum of its proper divisors (480693643).

1541664245 is a wasteful number, since it uses less digits than its factorization.

1541664245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58060.

The product of its digits is 115200, while the sum is 38.

The square root of 1541664245 is about 39264.0324597462. The cubic root of 1541664245 is about 1155.2161898621.

The spelling of 1541664245 in words is "one billion, five hundred forty-one million, six hundred sixty-four thousand, two hundred forty-five".