1445197950 has 240 divisors, whose sum is σ = 4832488320. Its totient is φ = 312828480.

The previous prime is 1445197913. The next prime is 1445197981. The reversal of 1445197950 is 597915441.

1445197950 is a `hidden beast` number, since 1 + 44 + 519 + 7 + 95 + 0 = 666.

It is a super-2 number, since 2×1445197950² = 4177194229368405000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1445197896 and 1445197905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 537309 + ... + 539991.

It is an arithmetic number, because the mean of its divisors is an integer number (20135368).

Almost surely, 2^1445197950 is an apocalyptic number.

1445197950 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 1445197950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2416244160).

1445197950 is an abundant number, since it is smaller than the sum of its proper divisors (3387290370).

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

1445197950 is a wasteful number, since it uses less digits than its factorization.

1445197950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2719 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 1445197950 is about 38015.7592321921. The cubic root of 1445197950 is about 1130.6003414504.

The spelling of 1445197950 in words is "one billion, four hundred forty-five million, one hundred ninety-seven thousand, nine hundred fifty".