1451747550 has 96 divisors (see below), whose sum is σ = 3942783360. Its totient is φ = 350582400.

The previous prime is 1451747543. The next prime is 1451747587. The reversal of 1451747550 is 557471541.

It is a junction number, because it is equal to n+sod(n) for n = 1451747499 and 1451747508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 465396 + ... + 468504.

It is an arithmetic number, because the mean of its divisors is an integer number (41070660).

Almost surely, 2^1451747550 is an apocalyptic number.

1451747550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451747550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1971391680).

1451747550 is an abundant number, since it is smaller than the sum of its proper divisors (2491035810).

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

1451747550 is a wasteful number, since it uses less digits than its factorization.

1451747550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418 (or 3413 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 39.

The square root of 1451747550 is about 38101.8050753504. The cubic root of 1451747550 is about 1132.3057183697.

The spelling of 1451747550 in words is "one billion, four hundred fifty-one million, seven hundred forty-seven thousand, five hundred fifty".