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144155494 = 2710296821
BaseRepresentation
bin10001001011110…
…10001101100110
3101001020212011101
420211322031212
5243400433434
622145430314
73400205260
oct1045721546
9331225141
10144155494
117441017a
124033b39a
1323b33912
1415206b30
15c9c7b14
hex897a366

144155494 has 8 divisors (see below), whose sum is σ = 247123728. Its totient is φ = 61780920.

The previous prime is 144155449. The next prime is 144155519. The reversal of 144155494 is 494551441.

144155494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5148397 + ... + 5148424.

It is an arithmetic number, because the mean of its divisors is an integer number (30890466).

Almost surely, 2144155494 is an apocalyptic number.

144155494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144155494 is a deficient number, since it is larger than the sum of its proper divisors (102968234).

144155494 is a wasteful number, since it uses less digits than its factorization.

144155494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10296830.

The product of its digits is 57600, while the sum is 37.

The square root of 144155494 is about 12006.4771685953. The cubic root of 144155494 is about 524.3368728100.

The spelling of 144155494 in words is "one hundred forty-four million, one hundred fifty-five thousand, four hundred ninety-four".

Divisors: 1 2 7 14 10296821 20593642 72077747 144155494