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144745030 = 2514474503
BaseRepresentation
bin10001010000010…
…10001001000110
3101002100210212001
420220022021012
5244023320110
622210215514
73405212113
oct1050121106
9332323761
10144745030
11747830a1
124058459a
1323cac061
141531b90a
15ca9263a
hex8a0a246

144745030 has 8 divisors (see below), whose sum is σ = 260541072. Its totient is φ = 57898008.

The previous prime is 144744989. The next prime is 144745031. The reversal of 144745030 is 30547441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1447450302 = 41902247419401800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144745030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144745031) 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, 7237242 + ... + 7237261.

It is an arithmetic number, because the mean of its divisors is an integer number (32567634).

Almost surely, 2144745030 is an apocalyptic number.

144745030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144745030 is a deficient number, since it is larger than the sum of its proper divisors (115796042).

144745030 is a wasteful number, since it uses less digits than its factorization.

144745030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474510.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 144745030 is about 12031.0028675917. The cubic root of 144745030 is about 525.0506738691.

The spelling of 144745030 in words is "one hundred forty-four million, seven hundred forty-five thousand, thirty".

Divisors: 1 2 5 10 14474503 28949006 72372515 144745030