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145229053 is a prime number
BaseRepresentation
bin10001010100000…
…00010011111101
3101010021101210211
420222000103331
5244134312203
622224432421
73412266214
oct1052002375
9333241724
10145229053
1174a83812
1240778711
132411b468
141540607b
15cb3ac6d
hex8a804fd

145229053 has 2 divisors, whose sum is σ = 145229054. Its totient is φ = 145229052.

The previous prime is 145229041. The next prime is 145229057. The reversal of 145229053 is 350922541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144528484 + 700569 = 12022^2 + 837^2 .

It is a cyclic number.

It is not a de Polignac number, because 145229053 - 29 = 145228541 is a prime.

It is equal to p8190706 and since 145229053 and 8190706 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145229057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72614526 + 72614527.

It is an arithmetic number, because the mean of its divisors is an integer number (72614527).

Almost surely, 2145229053 is an apocalyptic number.

It is an amenable number.

145229053 is a deficient number, since it is larger than the sum of its proper divisors (1).

145229053 is an equidigital number, since it uses as much as digits as its factorization.

145229053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 145229053 is about 12051.1017338665. The cubic root of 145229053 is about 525.6352739123.

The spelling of 145229053 in words is "one hundred forty-five million, two hundred twenty-nine thousand, fifty-three".