1453461620 has 48 divisors (see below), whose sum is σ = 3460074240. Its totient is φ = 508415616.

The previous prime is 1453461613. The next prime is 1453461649. The reversal of 1453461620 is 261643541.

It is a super-2 number, since 2×1453461620² = 4225101361626048800, which contains 22 as substring.

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, 142172 + ... + 152051.

It is an arithmetic number, because the mean of its divisors is an integer number (72084880).

Almost surely, 2^1453461620 is an apocalyptic number.

1453461620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453461620 is an abundant number, since it is smaller than the sum of its proper divisors (2006612620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1453461620 is a wasteful number, since it uses less digits than its factorization.

1453461620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294264 (or 294262 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1453461620 is about 38124.2917311260. The cubic root of 1453461620 is about 1132.7511787191.

The spelling of 1453461620 in words is "one billion, four hundred fifty-three million, four hundred sixty-one thousand, six hundred twenty".