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145350542442 = 2373460727201
BaseRepresentation
bin1000011101011110010…
…0010100010001101010
3111220011201200121010210
42013113210110101222
54340134214324232
6150434554321550
713333631140260
oct2072744242152
9456151617123
10145350542442
1156708656946
12242057292b6
1310925236941
14706c09c430
153baa81c5cc
hex21d791446a

145350542442 has 16 divisors (see below), whose sum is σ = 332229811392. Its totient is φ = 41528726400.

The previous prime is 145350542437. The next prime is 145350542461. The reversal of 145350542442 is 244245053541.

It is a super-2 number, since 2×1453505424422 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145350542442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730363559 + ... + 1730363642.

It is an arithmetic number, because the mean of its divisors is an integer number (20764363212).

Almost surely, 2145350542442 is an apocalyptic number.

145350542442 is an abundant number, since it is smaller than the sum of its proper divisors (186879268950).

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

145350542442 is a wasteful number, since it uses less digits than its factorization.

145350542442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460727213.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 145350542442 its reverse (244245053541), we get a palindrome (389595595983).

The spelling of 145350542442 in words is "one hundred forty-five billion, three hundred fifty million, five hundred forty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 3460727201 6921454402 10382181603 20764363206 24225090407 48450180814 72675271221 145350542442