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145014240551 = 341714243781
BaseRepresentation
bin1000011100001110000…
…1011011010100100111
3111212022021212200200012
42013003201123110213
54333442121144201
6150341342240435
713322405464265
oct2070341332447
9455267780605
10145014240551
11565558382a4
1224130b8611b
13108a066863b
147039559435
153b8b03c5bb
hex21c385b527

145014240551 has 4 divisors (see below), whose sum is σ = 145018518504. Its totient is φ = 145009962600.

The previous prime is 145014240509. The next prime is 145014240583. The reversal of 145014240551 is 155042410541.

It is a happy number.

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 145014240551 - 26 = 145014240487 is a prime.

It is a super-3 number, since 3×1450142405513 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145014242551) 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, 2087720 + ... + 2156061.

It is an arithmetic number, because the mean of its divisors is an integer number (36254629626).

Almost surely, 2145014240551 is an apocalyptic number.

145014240551 is a deficient number, since it is larger than the sum of its proper divisors (4277953).

145014240551 is an equidigital number, since it uses as much as digits as its factorization.

145014240551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277952.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 145014240551 in words is "one hundred forty-five billion, fourteen million, two hundred forty thousand, five hundred fifty-one".

Divisors: 1 34171 4243781 145014240551