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145059055487 = 259355942559
BaseRepresentation
bin1000011100011000110…
…0011000011101111111
3111212102102012112012122
42013012030120131333
54334040104233422
6150350022553155
713323461425133
oct2070614303577
9455372175178
10145059055487
1156579067435
1224143b987bb
13108a9a29958
1470414a33c3
153b8ee40d42
hex21c631877f

145059055487 has 4 divisors (see below), whose sum is σ = 145115000640. Its totient is φ = 145003110336.

The previous prime is 145059055433. The next prime is 145059055517. The reversal of 145059055487 is 784550950541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145059055487 - 28 = 145059055231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145059055417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27968687 + ... + 27973872.

It is an arithmetic number, because the mean of its divisors is an integer number (36278750160).

Almost surely, 2145059055487 is an apocalyptic number.

145059055487 is a deficient number, since it is larger than the sum of its proper divisors (55945153).

145059055487 is an equidigital number, since it uses as much as digits as its factorization.

145059055487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55945152.

The product of its (nonzero) digits is 5040000, while the sum is 53.

The spelling of 145059055487 in words is "one hundred forty-five billion, fifty-nine million, fifty-five thousand, four hundred eighty-seven".

Divisors: 1 2593 55942559 145059055487