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144714477 = 348238159
BaseRepresentation
bin10001010000000…
…10101011101101
3101002022020221110
420220002223231
5244021330402
622205422233
73405024045
oct1050025355
9332266843
10144714477
1174762146
124056a979
1323c9b18b
1415310725
15ca8856c
hex8a02aed

144714477 has 4 divisors (see below), whose sum is σ = 192952640. Its totient is φ = 96476316.

The previous prime is 144714473. The next prime is 144714481. The reversal of 144714477 is 774417441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (144714473) and next prime (144714481).

It is not a de Polignac number, because 144714477 - 22 = 144714473 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 (144714473) 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, 24119077 + ... + 24119082.

It is an arithmetic number, because the mean of its divisors is an integer number (48238160).

Almost surely, 2144714477 is an apocalyptic number.

It is an amenable number.

144714477 is a deficient number, since it is larger than the sum of its proper divisors (48238163).

144714477 is an equidigital number, since it uses as much as digits as its factorization.

144714477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48238162.

The product of its digits is 87808, while the sum is 39.

The square root of 144714477 is about 12029.7330394319. The cubic root of 144714477 is about 525.0137284392.

The spelling of 144714477 in words is "one hundred forty-four million, seven hundred fourteen thousand, four hundred seventy-seven".

Divisors: 1 3 48238159 144714477