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45133445 = 574329989
BaseRepresentation
bin1010110000101…
…0111010000101
310010221000110002
42230022322011
543023232240
64251211045
71055425250
oct254127205
9103830402
1045133445
1123527475
1213146a85
1394732a6
145dcc097
153e67d15
hex2b0ae85

45133445 has 16 divisors (see below), whose sum is σ = 63338880. Its totient is φ = 30227904.

The previous prime is 45133433. The next prime is 45133457. The reversal of 45133445 is 54433154.

It is an interprime number because it is at equal distance from previous prime (45133433) and next prime (45133457).

It is not a de Polignac number, because 45133445 - 210 = 45132421 is a prime.

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, 13490 + ... + 16499.

It is an arithmetic number, because the mean of its divisors is an integer number (3958680).

Almost surely, 245133445 is an apocalyptic number.

It is an amenable number.

45133445 is a deficient number, since it is larger than the sum of its proper divisors (18205435).

45133445 is a wasteful number, since it uses less digits than its factorization.

45133445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30044.

The product of its digits is 14400, while the sum is 29.

The square root of 45133445 is about 6718.1429725781. The cubic root of 45133445 is about 356.0405757943.

Adding to 45133445 its reverse (54433154), we get a palindrome (99566599).

The spelling of 45133445 in words is "forty-five million, one hundred thirty-three thousand, four hundred forty-five".

Divisors: 1 5 7 35 43 215 301 1505 29989 149945 209923 1049615 1289527 6447635 9026689 45133445