1461645245 has 16 divisors (see below), whose sum is σ = 1794313728. Its totient is φ = 1142507520.

The previous prime is 1461645223. The next prime is 1461645253. The reversal of 1461645245 is 5425461641.

It is a happy number.

It is not a de Polignac number, because 1461645245 - 2¹² = 1461641149 is a prime.

It is a super-2 number, since 2×1461645245² = 4272813644462220050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1461645199 and 1461645208.

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, 143357 + ... + 153213.

It is an arithmetic number, because the mean of its divisors is an integer number (112144608).

Almost surely, 2^1461645245 is an apocalyptic number.

It is an amenable number.

1461645245 is a deficient number, since it is larger than the sum of its proper divisors (332668483).

1461645245 is an equidigital number, since it uses as much as digits as its factorization.

1461645245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10540.

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

The square root of 1461645245 is about 38231.4693021338. The cubic root of 1461645245 is about 1134.8731627429.

The spelling of 1461645245 in words is "one billion, four hundred sixty-one million, six hundred forty-five thousand, two hundred forty-five".