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144054778 = 2716016427
BaseRepresentation
bin10001001011000…
…01100111111010
3101001001202000011
420211201213322
5243334223103
622143332134
73366305530
oct1045414772
9331052004
10144054778
117435153a
12402b104a
1323ac9b1a
14151bc150
15c9a7d6d
hex89619fa

144054778 has 16 divisors (see below), whose sum is σ = 247143744. Its totient is φ = 61689600.

The previous prime is 144054767. The next prime is 144054791. The reversal of 144054778 is 877450441.

It is a happy number.

144054778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144054778.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19201 + ... + 25627.

It is an arithmetic number, because the mean of its divisors is an integer number (15446484).

Almost surely, 2144054778 is an apocalyptic number.

144054778 is a deficient number, since it is larger than the sum of its proper divisors (103088966).

144054778 is a wasteful number, since it uses less digits than its factorization.

144054778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 144054778 is about 12002.2821996485. The cubic root of 144054778 is about 524.2147329031.

The spelling of 144054778 in words is "one hundred forty-four million, fifty-four thousand, seven hundred seventy-eight".

Divisors: 1 2 7 14 1601 3202 6427 11207 12854 22414 44989 89978 10289627 20579254 72027389 144054778