1225141545 has 16 divisors (see below), whose sum is σ = 2023460352. Its totient is φ = 632330880.

The previous prime is 1225141531. The next prime is 1225141573. The reversal of 1225141545 is 5451415221.

It is not a de Polignac number, because 1225141545 - 2⁷ = 1225141417 is a prime.

It is a Curzon 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, 1316892 + ... + 1317821.

It is an arithmetic number, because the mean of its divisors is an integer number (126466272).

Almost surely, 2^1225141545 is an apocalyptic number.

1225141545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1225141545 is a deficient number, since it is larger than the sum of its proper divisors (798318807).

1225141545 is a wasteful number, since it uses less digits than its factorization.

1225141545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634752.

The product of its digits is 8000, while the sum is 30.

The square root of 1225141545 is about 35002.0220130209. The cubic root of 1225141545 is about 1070.0286902372.

Adding to 1225141545 its reverse (5451415221), we get a palindrome (6676556766).

The spelling of 1225141545 in words is "one billion, two hundred twenty-five million, one hundred forty-one thousand, five hundred forty-five".